12391965

素因数分解:

$3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{719}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 21565440

約数和(自身を除く): 9173475

約数列:

[1, 3, 5, 9, 15, 45, 383, 719, 1149, 1915, 2157, 3447, 3595, 5745, 6471, 10785, 17235, 32355, 275377, 826131, 1376885, 2478393, 4130655, 12391965]

約数ペア:

[(1, 12391965), (3, 4130655), (5, 2478393), (9, 1376885), (15, 826131), (45, 275377), (383, 32355), (719, 17235), (1149, 10785), (1915, 6471), (2157, 5745), (3447, 3595)]