86991023

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{6143}}^1$

素因数の和:6191

約数の個数: 18

約数和(自身を含む): 107513856

約数和(自身を除く): 20522833

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 6143, 14161, 43001, 104431, 301007, 731017, 1775327, 5117119, 12427289, 86991023]

約数ペア:

[(1, 86991023), (7, 12427289), (17, 5117119), (49, 1775327), (119, 731017), (289, 301007), (833, 104431), (2023, 43001), (6143, 14161)]