12840333

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20479}}^1$

素因数の和:20512

約数の個数: 16

約数和(自身を含む): 19660800

約数和(自身を除く): 6820467

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 20479, 61437, 225269, 389101, 675807, 1167303, 4280111, 12840333]

約数ペア:

[(1, 12840333), (3, 4280111), (11, 1167303), (19, 675807), (33, 389101), (57, 225269), (209, 61437), (627, 20479)]