17401887

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 25822368

約数和(自身を除く): 8420481

約数列:

[1, 3, 9, 71, 113, 213, 241, 339, 639, 723, 1017, 2169, 8023, 17111, 24069, 27233, 51333, 72207, 81699, 153999, 245097, 1933543, 5800629, 17401887]

約数ペア:

[(1, 17401887), (3, 5800629), (9, 1933543), (71, 245097), (113, 153999), (213, 81699), (241, 72207), (339, 51333), (639, 27233), (723, 24069), (1017, 17111), (2169, 8023)]