647739105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3321739}}^1$

素因数の和:3321760

約数の個数: 16

約数和(自身を含む): 1116104640

約数和(自身を除く): 468365535

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 3321739, 9965217, 16608695, 43182607, 49826085, 129547821, 215913035, 647739105]

約数ペア:

[(1, 647739105), (3, 215913035), (5, 129547821), (13, 49826085), (15, 43182607), (39, 16608695), (65, 9965217), (195, 3321739)]