81393270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{387587}}^1$

素因数の和:387604

約数の個数: 32

約数和(自身を含む): 223250688

約数和(自身を除く): 141857418

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 387587, 775174, 1162761, 1937935, 2325522, 2713109, 3875870, 5426218, 5813805, 8139327, 11627610, 13565545, 16278654, 27131090, 40696635, 81393270]

約数ペア:

[(1, 81393270), (2, 40696635), (3, 27131090), (5, 16278654), (6, 13565545), (7, 11627610), (10, 8139327), (14, 5813805), (15, 5426218), (21, 3875870), (30, 2713109), (35, 2325522), (42, 1937935), (70, 1162761), (105, 775174), (210, 387587)]