28097277

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42379}}^1$

素因数の和:42412

約数の個数: 16

約数和(自身を含む): 42719040

約数和(自身を除く): 14621763

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 42379, 127137, 550927, 720443, 1652781, 2161329, 9365759, 28097277]

約数ペア:

[(1, 28097277), (3, 9365759), (13, 2161329), (17, 1652781), (39, 720443), (51, 550927), (221, 127137), (663, 42379)]