131488217

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6863}}^1$

素因数の和:6917

約数の個数: 24

約数和(自身を含む): 169019136

約数和(自身を除く): 37530919

約数列:

[1, 7, 17, 23, 49, 119, 161, 391, 833, 1127, 2737, 6863, 19159, 48041, 116671, 157849, 336287, 816697, 1104943, 2683433, 5716879, 7734601, 18784031, 131488217]

約数ペア:

[(1, 131488217), (7, 18784031), (17, 7734601), (23, 5716879), (49, 2683433), (119, 1104943), (161, 816697), (391, 336287), (833, 157849), (1127, 116671), (2737, 48041), (6863, 19159)]