81789721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1753}}^1$

素因数の和:1900

約数の個数: 16

約数和(自身を含む): 91446544

約数和(自身を除く): 9656823

約数列:

[1, 13, 37, 97, 481, 1261, 1753, 3589, 22789, 46657, 64861, 170041, 843193, 2210533, 6291517, 81789721]

約数ペア:

[(1, 81789721), (13, 6291517), (37, 2210533), (97, 843193), (481, 170041), (1261, 64861), (1753, 46657), (3589, 22789)]