161804655

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 317583360

約数和(自身を除く): 155778705

約数列:

[1, 3, 5, 9, 15, 23, 27, 31, 41, 45, 69, 93, 115, 123, 135, 155, 205, 207, 279, 345, 369, 465, 615, 621, 713, 837, 943, 1035, 1107, 1271, 1395, 1681, 1845, 2139, 2829, 3105, 3565, 3813, 4185, 4715, 5043, 5535, 6355, 6417, 8405, 8487, 10695, 11439, 14145, 15129, 19065, 19251, 25215, 25461, 29233, 32085, 34317, 38663, 42435, 45387, 52111, 57195, 75645, 87699, 96255, 115989, 127305, 146165, 156333, 171585, 193315, 226935, 260555, 263097, 347967, 438495, 468999, 579945, 781665, 789291, 1043901, 1198553, 1315485, 1406997, 1739835, 2344995, 3595659, 3946455, 5219505, 5992765, 7034985, 10786977, 17978295, 32360931, 53934885, 161804655]

約数ペア:

[(1, 161804655), (3, 53934885), (5, 32360931), (9, 17978295), (15, 10786977), (23, 7034985), (27, 5992765), (31, 5219505), (41, 3946455), (45, 3595659), (69, 2344995), (93, 1739835), (115, 1406997), (123, 1315485), (135, 1198553), (155, 1043901), (205, 789291), (207, 781665), (279, 579945), (345, 468999), (369, 438495), (465, 347967), (615, 263097), (621, 260555), (713, 226935), (837, 193315), (943, 171585), (1035, 156333), (1107, 146165), (1271, 127305), (1395, 115989), (1681, 96255), (1845, 87699), (2139, 75645), (2829, 57195), (3105, 52111), (3565, 45387), (3813, 42435), (4185, 38663), (4715, 34317), (5043, 32085), (5535, 29233), (6355, 25461), (6417, 25215), (8405, 19251), (8487, 19065), (10695, 15129), (11439, 14145)]