28170405

素因数分解:

$3^2\times 5^1\times {\mathrm{626009}}^1$

素因数の和:626020

約数の個数: 12

約数和(自身を含む): 48828780

約数和(自身を除く): 20658375

約数列:

[1, 3, 5, 9, 15, 45, 626009, 1878027, 3130045, 5634081, 9390135, 28170405]

約数ペア:

[(1, 28170405), (3, 9390135), (5, 5634081), (9, 3130045), (15, 1878027), (45, 626009)]