7381881

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{21031}}^1$

素因数の和:21053

約数の個数: 16

約数和(自身を含む): 11777920

約数和(自身を除く): 4396039

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 21031, 63093, 189279, 273403, 567837, 820209, 2460627, 7381881]

約数ペア:

[(1, 7381881), (3, 2460627), (9, 820209), (13, 567837), (27, 273403), (39, 189279), (117, 63093), (351, 21031)]