68520855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{9497}}^1$

素因数の和:9555

約数の個数: 32

約数和(自身を含む): 121270464

約数和(自身を除く): 52749609

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 9497, 28491, 47485, 123461, 142455, 351389, 370383, 617305, 1054167, 1756945, 1851915, 4568057, 5270835, 13704171, 22840285, 68520855]

約数ペア:

[(1, 68520855), (3, 22840285), (5, 13704171), (13, 5270835), (15, 4568057), (37, 1851915), (39, 1756945), (65, 1054167), (111, 617305), (185, 370383), (195, 351389), (481, 142455), (555, 123461), (1443, 47485), (2405, 28491), (7215, 9497)]