40257729

素因数分解:

$3^4\times {\mathrm{701}}^1\times {\mathrm{709}}^1$

素因数の和:1422

約数の個数: 20

約数和(自身を含む): 60308820

約数和(自身を除く): 20051091

約数列:

[1, 3, 9, 27, 81, 701, 709, 2103, 2127, 6309, 6381, 18927, 19143, 56781, 57429, 497009, 1491027, 4473081, 13419243, 40257729]

約数ペア:

[(1, 40257729), (3, 13419243), (9, 4473081), (27, 1491027), (81, 497009), (701, 57429), (709, 56781), (2103, 19143), (2127, 18927), (6309, 6381)]