13931121

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{919}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 19312640

約数和(自身を除く): 5381519

約数列:

[1, 3, 31, 93, 163, 489, 919, 2757, 5053, 15159, 28489, 85467, 149797, 449391, 4643707, 13931121]

約数ペア:

[(1, 13931121), (3, 4643707), (31, 449391), (93, 149797), (163, 85467), (489, 28489), (919, 15159), (2757, 5053)]