25681779

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{2281}}^1$

素因数の和:2432

約数の個数: 20

約数和(自身を含む): 38657080

約数和(自身を除く): 12975301

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 2281, 3753, 6843, 11259, 20529, 61587, 184761, 317059, 951177, 2853531, 8560593, 25681779]

約数ペア:

[(1, 25681779), (3, 8560593), (9, 2853531), (27, 951177), (81, 317059), (139, 184761), (417, 61587), (1251, 20529), (2281, 11259), (3753, 6843)]