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pernicious n.  and  tau n.

First numbers that belong to both sets:

9, 12, 18, 24, 36, 40, 56, 72, 80, 84, 88, 96, 104, 132, 136, 152, 248, 276, 288, 296, 328, 348, 372, 376, 384, 448, 468, 472, 488, 516, 536, 560, 584, 625, 632, 640, 672, 684, 776, 824, 852, 856, 872, 880, 896, 936, 1016, 1040, 1044, 1048, 1056, 1089, 1096, 1116, 1152, 1208, 1236, 1250, 1256, 1284, 1308, 1332, 1336, 1344, 1356, 1368, 1384, 1408, 1432, 1448, 1476, 1521, 1524, 1528, 1544, 1592, 1620, 1664, 1688, 1784, 1812, 1816, 1832, 1840, 1864, 1884, 1908, 1912, 1928, 2004, 2008, 2056, 2088, 2168, 2176, 2178, 2208, 2232, 2240, 2264, 2320, 2388, 2432, 2456, 2480, 2504, 2560, 2601, 2648, 2664, 2688, 2700, 2724, 2748, 2784, 2796, 2936, 2952, 2960, 2976, 2988, 3032, 3042, 3156, 3176, 3240, 3272, 3280, 3352, 3368, 3396, 3420, 3448, 3464, 3512, 3544, 3656, 3704, 3744, 3756, 3816, 3896, 3924, 3928, 3968, 3992, 4128, 4164, 4168, 4188, 4224, 4240, 4308, 4328, 4404, 4456, 4476, 4480, 4500, 4504, 4548, 4552, 4560, 4572, 4596, 4616, 4696, 4720, 4736, 4808, 4856, 4904, 4932, 4936, 5000, 5048, 5128, 5148, 5172, 5176, 5196, 5202, 5220, 5224, 5248, 5268, 5272, 5288, 5316, 5364, 5388, 5416, 5436, 5472, 5484, 5520, 5532, 5556, 5580, 5604, 5608, 5652, 5672, 5680, 5748, 5752, 5816, 5824, 5844, 5864, 5892, 5944, 5976, 5988, 6000, 6016, 6036, 6056, 6088, 6144, 6152, 6160, 6228, 6296, 6320, 6472, 6492, 6516, 6584, 6616, 6632, 6640, 6816, 6828, 6872, 7016, 7040, 7064, 7120, 7188, 7284, 7288, 7352, 7380, 7428, 7432, 7440, 7500, 7524, 7528, 7552, 7569, 7572, 7576, 7624, 7736, 7764, 7768, 7808, 7848, 7956, 7976, 8072, 8080, 8196, 8240, 8264, 8312, 8320, 8352, 8408, 8504, 8512, 8552, 8560, 8576, 8696, 8712, 8720, 8736.

Some larger examples :