80291655

素因数分解:

$3^4\times 5^1\times {\mathrm{198251}}^1$

素因数の和:198268

約数の個数: 20

約数和(自身を含む): 143930952

約数和(自身を除く): 63639297

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 198251, 594753, 991255, 1784259, 2973765, 5352777, 8921295, 16058331, 26763885, 80291655]

約数ペア:

[(1, 80291655), (3, 26763885), (5, 16058331), (9, 8921295), (15, 5352777), (27, 2973765), (45, 1784259), (81, 991255), (135, 594753), (405, 198251)]