388978887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{36493}}^1$

素因数の和:36543

約数の個数: 32

約数和(自身を含む): 630616320

約数和(自身を除く): 241637433

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 3553, 10659, 36493, 109479, 401423, 620381, 693367, 1204269, 1861143, 2080101, 6824191, 7627037, 11787239, 20472573, 22881111, 35361717, 129659629, 388978887]

約数ペア:

[(1, 388978887), (3, 129659629), (11, 35361717), (17, 22881111), (19, 20472573), (33, 11787239), (51, 7627037), (57, 6824191), (187, 2080101), (209, 1861143), (323, 1204269), (561, 693367), (627, 620381), (969, 401423), (3553, 109479), (10659, 36493)]