28621629

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 42194880

約数和(自身を除く): 13573251

約数列:

[1, 3, 9, 137, 139, 167, 411, 417, 501, 1233, 1251, 1503, 19043, 22879, 23213, 57129, 68637, 69639, 171387, 205911, 208917, 3180181, 9540543, 28621629]

約数ペア:

[(1, 28621629), (3, 9540543), (9, 3180181), (137, 208917), (139, 205911), (167, 171387), (411, 69639), (417, 68637), (501, 57129), (1233, 23213), (1251, 22879), (1503, 19043)]