81447821

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{1123}}^1$

素因数の和:1940

約数の個数: 16

約数和(自身を含む): 100458624

約数和(自身を除く): 19010803

約数列:

[1, 7, 13, 91, 797, 1123, 5579, 7861, 10361, 14599, 72527, 102193, 895031, 6265217, 11635403, 81447821]

約数ペア:

[(1, 81447821), (7, 11635403), (13, 6265217), (91, 895031), (797, 102193), (1123, 72527), (5579, 14599), (7861, 10361)]