31091103

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{857}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 46846800

約数和(自身を除く): 15755697

約数列:

[1, 3, 9, 29, 87, 139, 261, 417, 857, 1251, 2571, 4031, 7713, 12093, 24853, 36279, 74559, 119123, 223677, 357369, 1072107, 3454567, 10363701, 31091103]

約数ペア:

[(1, 31091103), (3, 10363701), (9, 3454567), (29, 1072107), (87, 357369), (139, 223677), (261, 119123), (417, 74559), (857, 36279), (1251, 24853), (2571, 12093), (4031, 7713)]