81391733

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 94887936

約数和(自身を除く): 13496203

約数列:

[1, 17, 23, 43, 47, 103, 391, 731, 799, 989, 1081, 1751, 2021, 2369, 4429, 4841, 16813, 18377, 34357, 40273, 46483, 75293, 82297, 101867, 111343, 208163, 790211, 1731739, 1892831, 3538771, 4787749, 81391733]

約数ペア:

[(1, 81391733), (17, 4787749), (23, 3538771), (43, 1892831), (47, 1731739), (103, 790211), (391, 208163), (731, 111343), (799, 101867), (989, 82297), (1081, 75293), (1751, 46483), (2021, 40273), (2369, 34357), (4429, 18377), (4841, 16813)]