28211301

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{7517}}^1$

素因数の和:7665

約数の個数: 16

約数和(自身を含む): 42100800

約数和(自身を除く): 13889499

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 7517, 22551, 67653, 202959, 1044863, 3134589, 9403767, 28211301]

約数ペア:

[(1, 28211301), (3, 9403767), (9, 3134589), (27, 1044863), (139, 202959), (417, 67653), (1251, 22551), (3753, 7517)]