205552011

素因数分解:

$3^1\times 7^4\times {\mathrm{28537}}^1$

素因数の和:28568

約数の個数: 20

約数和(自身を含む): 319739752

約数和(自身を除く): 114187741

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 28537, 85611, 199759, 599277, 1398313, 4194939, 9788191, 29364573, 68517337, 205552011]

約数ペア:

[(1, 205552011), (3, 68517337), (7, 29364573), (21, 9788191), (49, 4194939), (147, 1398313), (343, 599277), (1029, 199759), (2401, 85611), (7203, 28537)]