291240405

素因数分解:

$3^2\times 5^1\times {\mathrm{6472009}}^1$

素因数の和:6472020

約数の個数: 12

約数和(自身を含む): 504816780

約数和(自身を除く): 213576375

約数列:

[1, 3, 5, 9, 15, 45, 6472009, 19416027, 32360045, 58248081, 97080135, 291240405]

約数ペア:

[(1, 291240405), (3, 97080135), (5, 58248081), (9, 32360045), (15, 19416027), (45, 6472009)]