31331295

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5009}}^1$

素因数の和:5159

約数の個数: 24

約数和(自身を含む): 54709200

約数和(自身を除く): 23377905

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 5009, 6255, 15027, 25045, 45081, 75135, 225405, 696251, 2088753, 3481255, 6266259, 10443765, 31331295]

約数ペア:

[(1, 31331295), (3, 10443765), (5, 6266259), (9, 3481255), (15, 2088753), (45, 696251), (139, 225405), (417, 75135), (695, 45081), (1251, 25045), (2085, 15027), (5009, 6255)]