128464767

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{20479}}^1$

素因数の和:20543

約数の個数: 24

約数和(自身を含む): 201277440

約数和(自身を除く): 72812673

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 6273, 20479, 61437, 184311, 348143, 839639, 1044429, 2518917, 3133287, 7556751, 14273863, 42821589, 128464767]

約数ペア:

[(1, 128464767), (3, 42821589), (9, 14273863), (17, 7556751), (41, 3133287), (51, 2518917), (123, 1044429), (153, 839639), (369, 348143), (697, 184311), (2091, 61437), (6273, 20479)]