219420405

素因数分解:

$3^2\times 5^1\times {\mathrm{4876009}}^1$

素因数の和:4876020

約数の個数: 12

約数和(自身を含む): 380328780

約数和(自身を除く): 160908375

約数列:

[1, 3, 5, 9, 15, 45, 4876009, 14628027, 24380045, 43884081, 73140135, 219420405]

約数ペア:

[(1, 219420405), (3, 73140135), (5, 43884081), (9, 24380045), (15, 14628027), (45, 4876009)]