127720879

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20771}}^1$

素因数の和:20838

約数の個数: 16

約数和(自身を含む): 153546624

約数和(自身を除く): 25825745

約数列:

[1, 11, 13, 43, 143, 473, 559, 6149, 20771, 228481, 270023, 893153, 2970253, 9824683, 11610989, 127720879]

約数ペア:

[(1, 127720879), (11, 11610989), (13, 9824683), (43, 2970253), (143, 893153), (473, 270023), (559, 228481), (6149, 20771)]