13931827

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{21871}}^1$

素因数の和:21898

約数の個数: 12

約数和(自身を含む): 17453856

約数和(自身を除く): 3522029

約数列:

[1, 7, 13, 49, 91, 637, 21871, 153097, 284323, 1071679, 1990261, 13931827]

約数ペア:

[(1, 13931827), (7, 1990261), (13, 1071679), (49, 284323), (91, 153097), (637, 21871)]