28575759

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^2$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 42035760

約数和(自身を除く): 13460001

約数列:

[1, 3, 17, 29, 51, 87, 139, 417, 493, 1479, 2363, 4031, 7089, 12093, 19321, 57963, 68527, 205581, 328457, 560309, 985371, 1680927, 9525253, 28575759]

約数ペア:

[(1, 28575759), (3, 9525253), (17, 1680927), (29, 985371), (51, 560309), (87, 328457), (139, 205581), (417, 68527), (493, 57963), (1479, 19321), (2363, 12093), (4031, 7089)]