30420405

素因数分解:

$3^2\times 5^1\times {\mathrm{676009}}^1$

素因数の和:676020

約数の個数: 12

約数和(自身を含む): 52728780

約数和(自身を除く): 22308375

約数列:

[1, 3, 5, 9, 15, 45, 676009, 2028027, 3380045, 6084081, 10140135, 30420405]

約数ペア:

[(1, 30420405), (3, 10140135), (5, 6084081), (9, 3380045), (15, 2028027), (45, 676009)]