31711329

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{20849}}^1$

素因数の和:20881

約数の個数: 18

約数和(自身を含む): 49602150

約数和(自身を除く): 17890821

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 20849, 62547, 187641, 271037, 813111, 2439333, 3523481, 10570443, 31711329]

約数ペア:

[(1, 31711329), (3, 10570443), (9, 3523481), (13, 2439333), (39, 813111), (117, 271037), (169, 187641), (507, 62547), (1521, 20849)]