68401665

素因数分解:

$3^4\times 5^1\times {\mathrm{168893}}^1$

素因数の和:168910

約数の個数: 20

約数和(自身を含む): 122617044

約数和(自身を除く): 54215379

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 168893, 506679, 844465, 1520037, 2533395, 4560111, 7600185, 13680333, 22800555, 68401665]

約数ペア:

[(1, 68401665), (3, 22800555), (5, 13680333), (9, 7600185), (15, 4560111), (27, 2533395), (45, 1520037), (81, 844465), (135, 506679), (405, 168893)]