381565458

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{1009}}^1$

素因数の和:1216

約数の個数: 64

約数和(自身を含む): 872640000

約数和(自身を除く): 491074542

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 149, 282, 298, 423, 447, 846, 894, 1009, 1269, 1341, 2018, 2538, 2682, 3027, 4023, 6054, 7003, 8046, 9081, 14006, 18162, 21009, 27243, 42018, 47423, 54486, 63027, 94846, 126054, 142269, 150341, 189081, 284538, 300682, 378162, 426807, 451023, 853614, 902046, 1280421, 1353069, 2560842, 2706138, 4059207, 7066027, 8118414, 14132054, 21198081, 42396162, 63594243, 127188486, 190782729, 381565458]

約数ペア:

[(1, 381565458), (2, 190782729), (3, 127188486), (6, 63594243), (9, 42396162), (18, 21198081), (27, 14132054), (47, 8118414), (54, 7066027), (94, 4059207), (141, 2706138), (149, 2560842), (282, 1353069), (298, 1280421), (423, 902046), (447, 853614), (846, 451023), (894, 426807), (1009, 378162), (1269, 300682), (1341, 284538), (2018, 189081), (2538, 150341), (2682, 142269), (3027, 126054), (4023, 94846), (6054, 63027), (7003, 54486), (8046, 47423), (9081, 42018), (14006, 27243), (18162, 21009)]