231172019

素因数分解:

${\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1\times {\mathrm{443}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 252195552

約数和(自身を除く): 21023533

約数列:

[1, 13, 137, 293, 443, 1781, 3809, 5759, 40141, 60691, 129799, 521833, 788983, 1687387, 17782463, 231172019]

約数ペア:

[(1, 231172019), (13, 17782463), (137, 1687387), (293, 788983), (443, 521833), (1781, 129799), (3809, 60691), (5759, 40141)]