72787225

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13417}}^1$

素因数の和:13465

約数の個数: 24

約数和(自身を含む): 106485248

約数和(自身を除く): 33698023

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 13417, 67085, 93919, 335425, 415927, 469595, 2079635, 2347975, 2911489, 10398175, 14557445, 72787225]

約数ペア:

[(1, 72787225), (5, 14557445), (7, 10398175), (25, 2911489), (31, 2347975), (35, 2079635), (155, 469595), (175, 415927), (217, 335425), (775, 93919), (1085, 67085), (5425, 13417)]