257376027

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 360295936

約数和(自身を除く): 102919909

約数列:

[1, 3, 43, 73, 129, 151, 181, 219, 453, 543, 3139, 6493, 7783, 9417, 11023, 13213, 19479, 23349, 27331, 33069, 39639, 81993, 473989, 568159, 1175233, 1421967, 1704477, 1995163, 3525699, 5985489, 85792009, 257376027]

約数ペア:

[(1, 257376027), (3, 85792009), (43, 5985489), (73, 3525699), (129, 1995163), (151, 1704477), (181, 1421967), (219, 1175233), (453, 568159), (543, 473989), (3139, 81993), (6493, 39639), (7783, 33069), (9417, 27331), (11023, 23349), (13213, 19479)]