812156787

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{257093}}^1$

素因数の和:257121

約数の個数: 24

約数和(自身を含む): 1310151024

約数和(自身を除く): 497994237

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 257093, 771279, 2313837, 3342209, 6941511, 10026627, 20824533, 30079881, 62473599, 90239643, 270718929, 812156787]

約数ペア:

[(1, 812156787), (3, 270718929), (9, 90239643), (13, 62473599), (27, 30079881), (39, 20824533), (81, 10026627), (117, 6941511), (243, 3342209), (351, 2313837), (1053, 771279), (3159, 257093)]