81175791

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{1709}}^1$

素因数の和:2006

約数の個数: 16

約数和(自身を含む): 110315520

約数和(自身を除く): 29139729

約数列:

[1, 3, 71, 213, 223, 669, 1709, 5127, 15833, 47499, 121339, 364017, 381107, 1143321, 27058597, 81175791]

約数ペア:

[(1, 81175791), (3, 27058597), (71, 1143321), (213, 381107), (223, 364017), (669, 121339), (1709, 47499), (5127, 15833)]