157216923

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 236947200

約数和(自身を除く): 79730277

約数列:

[1, 3, 9, 27, 139, 163, 257, 417, 489, 771, 1251, 1467, 2313, 3753, 4401, 6939, 22657, 35723, 41891, 67971, 107169, 125673, 203913, 321507, 377019, 611739, 964521, 1131057, 5822849, 17468547, 52405641, 157216923]

約数ペア:

[(1, 157216923), (3, 52405641), (9, 17468547), (27, 5822849), (139, 1131057), (163, 964521), (257, 611739), (417, 377019), (489, 321507), (771, 203913), (1251, 125673), (1467, 107169), (2313, 67971), (3753, 41891), (4401, 35723), (6939, 22657)]