1210905

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 2134080

約数和(自身を除く): 923175

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 379, 639, 1065, 1137, 1895, 3195, 3411, 5685, 17055, 26909, 80727, 134545, 242181, 403635, 1210905]

約数ペア:

[(1, 1210905), (3, 403635), (5, 242181), (9, 134545), (15, 80727), (45, 26909), (71, 17055), (213, 5685), (355, 3411), (379, 3195), (639, 1895), (1065, 1137)]