68912739

素因数分解:

$3^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1583}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 113997312

約数和(自身を除く): 45084573

約数列:

[1, 3, 7, 9, 21, 63, 691, 1583, 2073, 4749, 4837, 6219, 11081, 14247, 14511, 33243, 43533, 99729, 1093853, 3281559, 7656971, 9844677, 22970913, 68912739]

約数ペア:

[(1, 68912739), (3, 22970913), (7, 9844677), (9, 7656971), (21, 3281559), (63, 1093853), (691, 99729), (1583, 43533), (2073, 33243), (4749, 14511), (4837, 14247), (6219, 11081)]