12945915

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6121}}^1$

素因数の和:6179

約数の個数: 24

約数和(自身を含む): 22920768

約数和(自身を除く): 9974853

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 6121, 18363, 30605, 55089, 91815, 275445, 287687, 863061, 1438435, 2589183, 4315305, 12945915]

約数ペア:

[(1, 12945915), (3, 4315305), (5, 2589183), (9, 1438435), (15, 863061), (45, 287687), (47, 275445), (141, 91815), (235, 55089), (423, 30605), (705, 18363), (2115, 6121)]