1991153631

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{779927}}^1$

素因数の和:779990

約数の個数: 16

約数和(自身を含む): 2845177344

約数和(自身を除く): 854023713

約数列:

[1, 3, 23, 37, 69, 111, 851, 2553, 779927, 2339781, 17938321, 28857299, 53814963, 86571897, 663717877, 1991153631]

約数ペア:

[(1, 1991153631), (3, 663717877), (23, 86571897), (37, 53814963), (69, 28857299), (111, 17938321), (851, 2339781), (2553, 779927)]