68040639

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 99961680

約数和(自身を除く): 31921041

約数列:

[1, 3, 9, 137, 139, 397, 411, 417, 1191, 1233, 1251, 3573, 19043, 54389, 55183, 57129, 163167, 165549, 171387, 489501, 496647, 7560071, 22680213, 68040639]

約数ペア:

[(1, 68040639), (3, 22680213), (9, 7560071), (137, 496647), (139, 489501), (397, 171387), (411, 165549), (417, 163167), (1191, 57129), (1233, 55183), (1251, 54389), (3573, 19043)]