256468635

素因数分解:

$3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{21187}}^1$

素因数の和:21467

約数の個数: 24

約数和(自身を含む): 446219280

約数和(自身を除く): 189750645

約数列:

[1, 3, 5, 9, 15, 45, 269, 807, 1345, 2421, 4035, 12105, 21187, 63561, 105935, 190683, 317805, 953415, 5699303, 17097909, 28496515, 51293727, 85489545, 256468635]

約数ペア:

[(1, 256468635), (3, 85489545), (5, 51293727), (9, 28496515), (15, 17097909), (45, 5699303), (269, 953415), (807, 317805), (1345, 190683), (2421, 105935), (4035, 63561), (12105, 21187)]