12907005

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 21869568

約数和(自身を除く): 8962563

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 677, 1271, 2031, 3385, 3813, 6355, 10155, 19065, 20987, 27757, 62961, 83271, 104935, 138785, 314805, 416355, 860467, 2581401, 4302335, 12907005]

約数ペア:

[(1, 12907005), (3, 4302335), (5, 2581401), (15, 860467), (31, 416355), (41, 314805), (93, 138785), (123, 104935), (155, 83271), (205, 62961), (465, 27757), (615, 20987), (677, 19065), (1271, 10155), (2031, 6355), (3385, 3813)]