420111819

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{255077}}^1$

素因数の和:255147

約数の個数: 16

約数和(自身を含む): 632593440

約数和(自身を除く): 212481621

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 255077, 765231, 2295693, 6887079, 15559697, 46679091, 140037273, 420111819]

約数ペア:

[(1, 420111819), (3, 140037273), (9, 46679091), (27, 15559697), (61, 6887079), (183, 2295693), (549, 765231), (1647, 255077)]