309600405

素因数分解:

$3^2\times 5^1\times {\mathrm{6880009}}^1$

素因数の和:6880020

約数の個数: 12

約数和(自身を含む): 536640780

約数和(自身を除く): 227040375

約数列:

[1, 3, 5, 9, 15, 45, 6880009, 20640027, 34400045, 61920081, 103200135, 309600405]

約数ペア:

[(1, 309600405), (3, 103200135), (5, 61920081), (9, 34400045), (15, 20640027), (45, 6880009)]