409258413

素因数分解:

$3^6\times {\mathrm{71}}^1\times {\mathrm{7907}}^1$

素因数の和:7996

約数の個数: 28

約数和(自身を含む): 622327968

約数和(自身を除く): 213069555

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 729, 1917, 5751, 7907, 17253, 23721, 51759, 71163, 213489, 561397, 640467, 1684191, 1921401, 5052573, 5764203, 15157719, 45473157, 136419471, 409258413]

約数ペア:

[(1, 409258413), (3, 136419471), (9, 45473157), (27, 15157719), (71, 5764203), (81, 5052573), (213, 1921401), (243, 1684191), (639, 640467), (729, 561397), (1917, 213489), (5751, 71163), (7907, 51759), (17253, 23721)]