7981389

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{22739}}^1$

素因数の和:22761

約数の個数: 16

約数和(自身を含む): 12734400

約数和(自身を除く): 4753011

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 22739, 68217, 204651, 295607, 613953, 886821, 2660463, 7981389]

約数ペア:

[(1, 7981389), (3, 2660463), (9, 886821), (13, 613953), (27, 295607), (39, 204651), (117, 68217), (351, 22739)]