28631247

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7907}}^1$

素因数の和:7998

約数の個数: 16

約数和(自身を含む): 40995072

約数和(自身を除く): 12363825

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 7907, 23721, 134419, 403257, 561397, 1684191, 9543749, 28631247]

約数ペア:

[(1, 28631247), (3, 9543749), (17, 1684191), (51, 561397), (71, 403257), (213, 134419), (1207, 23721), (3621, 7907)]