28961901

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{7717}}^1$

素因数の和:7865

約数の個数: 16

約数和(自身を含む): 43220800

約数和(自身を除く): 14258899

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 7717, 23151, 69453, 208359, 1072663, 3217989, 9653967, 28961901]

約数ペア:

[(1, 28961901), (3, 9653967), (9, 3217989), (27, 1072663), (139, 208359), (417, 69453), (1251, 23151), (3753, 7717)]