405936891

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{4637}}^1$

素因数の和:4851

約数の個数: 24

約数和(自身を含む): 599081184

約数和(自身を除く): 193144293

約数列:

[1, 3, 9, 71, 137, 213, 411, 639, 1233, 4637, 9727, 13911, 29181, 41733, 87543, 329227, 635269, 987681, 1905807, 2963043, 5717421, 45104099, 135312297, 405936891]

約数ペア:

[(1, 405936891), (3, 135312297), (9, 45104099), (71, 5717421), (137, 2963043), (213, 1905807), (411, 987681), (639, 635269), (1233, 329227), (4637, 87543), (9727, 41733), (13911, 29181)]