8321391

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{5471}}^1$

素因数の和:5503

約数の個数: 18

約数和(自身を含む): 13017888

約数和(自身を除く): 4696497

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 5471, 16413, 49239, 71123, 213369, 640107, 924599, 2773797, 8321391]

約数ペア:

[(1, 8321391), (3, 2773797), (9, 924599), (13, 640107), (39, 213369), (117, 71123), (169, 49239), (507, 16413), (1521, 5471)]