81201759

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 115568640

約数和(自身を除く): 34366881

約数列:

[1, 3, 43, 47, 59, 129, 141, 177, 227, 681, 2021, 2537, 2773, 6063, 7611, 8319, 9761, 10669, 13393, 29283, 32007, 40179, 119239, 357717, 458767, 575899, 629471, 1376301, 1727697, 1888413, 27067253, 81201759]

約数ペア:

[(1, 81201759), (3, 27067253), (43, 1888413), (47, 1727697), (59, 1376301), (129, 629471), (141, 575899), (177, 458767), (227, 357717), (681, 119239), (2021, 40179), (2537, 32007), (2773, 29283), (6063, 13393), (7611, 10669), (8319, 9761)]