28856721

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1151}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 39426048

約数和(自身を除く): 10569327

約数列:

[1, 3, 61, 137, 183, 411, 1151, 3453, 8357, 25071, 70211, 157687, 210633, 473061, 9618907, 28856721]

約数ペア:

[(1, 28856721), (3, 9618907), (61, 473061), (137, 210633), (183, 157687), (411, 70211), (1151, 25071), (3453, 8357)]