25208901

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{2239}}^1$

素因数の和:2390

約数の個数: 20

約数和(自身を含む): 37945600

約数和(自身を除く): 12736699

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 2239, 3753, 6717, 11259, 20151, 60453, 181359, 311221, 933663, 2800989, 8402967, 25208901]

約数ペア:

[(1, 25208901), (3, 8402967), (9, 2800989), (27, 933663), (81, 311221), (139, 181359), (417, 60453), (1251, 20151), (2239, 11259), (3753, 6717)]