259389

素因数分解:

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

素因数の和:761

約数の個数: 16

約数和(自身を含む): 414400

約数和(自身を除く): 155011

約数列:

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

約数ペア:

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