81915043

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3833}}^1$

素因数の和:3954

約数の個数: 16

約数和(自身を含む): 97168896

約数和(自身を除く): 15253853

約数列:

[1, 7, 43, 71, 301, 497, 3053, 3833, 21371, 26831, 164819, 272143, 1153733, 1905001, 11702149, 81915043]

約数ペア:

[(1, 81915043), (7, 11702149), (43, 1905001), (71, 1153733), (301, 272143), (497, 164819), (3053, 26831), (3833, 21371)]