81888051

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{28463}}^1$

素因数の和:28610

約数の個数: 16

約数和(自身を含む): 125697024

約数和(自身を除く): 43808973

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 28463, 85389, 199241, 597723, 3899431, 11698293, 27296017, 81888051]

約数ペア:

[(1, 81888051), (3, 27296017), (7, 11698293), (21, 3899431), (137, 597723), (411, 199241), (959, 85389), (2877, 28463)]