129801815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{479}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 183859200

約数和(自身を除く): 54057385

約数列:

[1, 5, 11, 13, 55, 65, 143, 379, 479, 715, 1895, 2395, 4169, 4927, 5269, 6227, 20845, 24635, 26345, 31135, 54197, 68497, 181541, 270985, 342485, 907705, 1996951, 2360033, 9984755, 11800165, 25960363, 129801815]

約数ペア:

[(1, 129801815), (5, 25960363), (11, 11800165), (13, 9984755), (55, 2360033), (65, 1996951), (143, 907705), (379, 342485), (479, 270985), (715, 181541), (1895, 68497), (2395, 54197), (4169, 31135), (4927, 26345), (5269, 24635), (6227, 20845)]