4405509

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:546

約数の個数: 20

約数和(自身を含む): 6645804

約数和(自身を除く): 2240295

約数列:

[1, 3, 9, 27, 81, 137, 397, 411, 1191, 1233, 3573, 3699, 10719, 11097, 32157, 54389, 163167, 489501, 1468503, 4405509]

約数ペア:

[(1, 4405509), (3, 1468503), (9, 489501), (27, 163167), (81, 54389), (137, 32157), (397, 11097), (411, 10719), (1191, 3699), (1233, 3573)]