81495765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139309}}^1$

素因数の和:139333

約数の個数: 24

約数和(自身を含む): 152126520

約数和(自身を除く): 70630755

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 139309, 417927, 696545, 1253781, 1811017, 2089635, 5433051, 6268905, 9055085, 16299153, 27165255, 81495765]

約数ペア:

[(1, 81495765), (3, 27165255), (5, 16299153), (9, 9055085), (13, 6268905), (15, 5433051), (39, 2089635), (45, 1811017), (65, 1253781), (117, 696545), (195, 417927), (585, 139309)]