81318097

素因数分解:

$7^3\times {\mathrm{79}}^1\times {\mathrm{3001}}^1$

素因数の和:3101

約数の個数: 16

約数和(自身を含む): 96064000

約数和(自身を除く): 14745903

約数列:

[1, 7, 49, 79, 343, 553, 3001, 3871, 21007, 27097, 147049, 237079, 1029343, 1659553, 11616871, 81318097]

約数ペア:

[(1, 81318097), (7, 11616871), (49, 1659553), (79, 1029343), (343, 237079), (553, 147049), (3001, 27097), (3871, 21007)]