1915789905

素因数分解:

$3^2\times 5^1\times {\mathrm{42573109}}^1$

素因数の和:42573120

約数の個数: 12

約数和(自身を含む): 3320702580

約数和(自身を除く): 1404912675

約数列:

[1, 3, 5, 9, 15, 45, 42573109, 127719327, 212865545, 383157981, 638596635, 1915789905]

約数ペア:

[(1, 1915789905), (3, 638596635), (5, 383157981), (9, 212865545), (15, 127719327), (45, 42573109)]