720481815

素因数分解:

$3^2\times 5^1\times {\mathrm{16010707}}^1$

素因数の和:16010718

約数の個数: 12

約数和(自身を含む): 1248835224

約数和(自身を除く): 528353409

約数列:

[1, 3, 5, 9, 15, 45, 16010707, 48032121, 80053535, 144096363, 240160605, 720481815]

約数ペア:

[(1, 720481815), (3, 240160605), (5, 144096363), (9, 80053535), (15, 48032121), (45, 16010707)]