636228531

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{20921}}^1$

素因数の和:21067

約数の個数: 24

約数和(自身を含む): 957390720

約数和(自身を除く): 321162189

約数列:

[1, 3, 9, 31, 93, 109, 279, 327, 981, 3379, 10137, 20921, 30411, 62763, 188289, 648551, 1945653, 2280389, 5836959, 6841167, 20523501, 70692059, 212076177, 636228531]

約数ペア:

[(1, 636228531), (3, 212076177), (9, 70692059), (31, 20523501), (93, 6841167), (109, 5836959), (279, 2280389), (327, 1945653), (981, 648551), (3379, 188289), (10137, 62763), (20921, 30411)]