561036231

素因数分解:

$3^2\times 7^2\times {\mathrm{1272191}}^1$

素因数の和:1272211

約数の個数: 18

約数和(自身を含む): 942694272

約数和(自身を除く): 381658041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1272191, 3816573, 8905337, 11449719, 26716011, 62337359, 80148033, 187012077, 561036231]

約数ペア:

[(1, 561036231), (3, 187012077), (7, 80148033), (9, 62337359), (21, 26716011), (49, 11449719), (63, 8905337), (147, 3816573), (441, 1272191)]