778167

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:764

約数の個数: 20

約数和(自身を含む): 1253560

約数和(自身を除く): 475393

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 739, 1053, 2217, 6651, 9607, 19953, 28821, 59859, 86463, 259389, 778167]

約数ペア:

[(1, 778167), (3, 259389), (9, 86463), (13, 59859), (27, 28821), (39, 19953), (81, 9607), (117, 6651), (351, 2217), (739, 1053)]