51640479

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2731}}^1$

素因数の和:2939

約数の個数: 24

約数和(自身を含む): 81828864

約数和(自身を除く): 30188385

約数列:

[1, 3, 9, 11, 33, 99, 191, 573, 1719, 2101, 2731, 6303, 8193, 18909, 24579, 30041, 90123, 270369, 521621, 1564863, 4694589, 5737831, 17213493, 51640479]

約数ペア:

[(1, 51640479), (3, 17213493), (9, 5737831), (11, 4694589), (33, 1564863), (99, 521621), (191, 270369), (573, 90123), (1719, 30041), (2101, 24579), (2731, 18909), (6303, 8193)]