81621457

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 89280000

約数和(自身を除く): 7658543

約数列:

[1, 23, 29, 79, 667, 1549, 1817, 2291, 35627, 44921, 52693, 122371, 1033183, 2814533, 3548759, 81621457]

約数ペア:

[(1, 81621457), (23, 3548759), (29, 2814533), (79, 1033183), (667, 122371), (1549, 52693), (1817, 44921), (2291, 35627)]