13581085

素因数分解:

$5^1\times 7^3\times {\mathrm{7919}}^1$

素因数の和:7945

約数の個数: 16

約数和(自身を含む): 19008000

約数和(自身を除く): 5426915

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 7919, 39595, 55433, 277165, 388031, 1940155, 2716217, 13581085]

約数ペア:

[(1, 13581085), (5, 2716217), (7, 1940155), (35, 388031), (49, 277165), (245, 55433), (343, 39595), (1715, 7919)]