722969145

素因数分解:

$3^4\times 5^1\times {\mathrm{1785109}}^1$

素因数の和:1785126

約数の個数: 20

約数和(自身を含む): 1295989860

約数和(自身を除く): 573020715

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1785109, 5355327, 8925545, 16065981, 26776635, 48197943, 80329905, 144593829, 240989715, 722969145]

約数ペア:

[(1, 722969145), (3, 240989715), (5, 144593829), (9, 80329905), (15, 48197943), (27, 26776635), (45, 16065981), (81, 8925545), (135, 5355327), (405, 1785109)]