81123155

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2971}}^1$

素因数の和:3146

約数の個数: 16

約数和(自身を含む): 100429824

約数和(自身を除く): 19306669

約数列:

[1, 5, 43, 127, 215, 635, 2971, 5461, 14855, 27305, 127753, 377317, 638765, 1886585, 16224631, 81123155]

約数ペア:

[(1, 81123155), (5, 16224631), (43, 1886585), (127, 638765), (215, 377317), (635, 127753), (2971, 27305), (5461, 14855)]