15120921591

素因数分解:

$3^3\times {\mathrm{719}}^1\times {\mathrm{778907}}^1$

素因数の和:779635

約数の個数: 16

約数和(自身を含む): 22432550400

約数和(自身を除く): 7311628809

約数列:

[1, 3, 9, 27, 719, 2157, 6471, 19413, 778907, 2336721, 7010163, 21030489, 560034133, 1680102399, 5040307197, 15120921591]

約数ペア:

[(1, 15120921591), (3, 5040307197), (9, 1680102399), (27, 560034133), (719, 21030489), (2157, 7010163), (6471, 2336721), (19413, 778907)]