156917805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{2081}}^1$

素因数の和:2557

約数の個数: 32

約数和(自身を含む): 274624128

約数和(自身を除く): 117706323

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 457, 1371, 2081, 2285, 5027, 6243, 6855, 10405, 15081, 22891, 25135, 31215, 68673, 75405, 114455, 343365, 951017, 2853051, 4755085, 10461187, 14265255, 31383561, 52305935, 156917805]

約数ペア:

[(1, 156917805), (3, 52305935), (5, 31383561), (11, 14265255), (15, 10461187), (33, 4755085), (55, 2853051), (165, 951017), (457, 343365), (1371, 114455), (2081, 75405), (2285, 68673), (5027, 31215), (6243, 25135), (6855, 22891), (10405, 15081)]