213802011

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{43271}}^1$

素因数の和:43344

約数の個数: 20

約数和(自身を含む): 324626544

約数和(自身を除く): 110824533

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 43271, 129813, 389439, 1168317, 2639531, 3504951, 7918593, 23755779, 71267337, 213802011]

約数ペア:

[(1, 213802011), (3, 71267337), (9, 23755779), (27, 7918593), (61, 3504951), (81, 2639531), (183, 1168317), (549, 389439), (1647, 129813), (4941, 43271)]