81091549

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{11833}}^1$

素因数の和:11940

約数の個数: 16

約数和(自身を含む): 102245760

約数和(自身を除く): 21154211

約数列:

[1, 7, 11, 77, 89, 623, 979, 6853, 11833, 82831, 130163, 911141, 1053137, 7371959, 11584507, 81091549]

約数ペア:

[(1, 81091549), (7, 11584507), (11, 7371959), (77, 1053137), (89, 911141), (623, 130163), (979, 82831), (6853, 11833)]