51560721

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2311}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 77664704

約数和(自身を除く): 26103983

約数列:

[1, 3, 9, 37, 67, 111, 201, 333, 603, 2311, 2479, 6933, 7437, 20799, 22311, 85507, 154837, 256521, 464511, 769563, 1393533, 5728969, 17186907, 51560721]

約数ペア:

[(1, 51560721), (3, 17186907), (9, 5728969), (37, 1393533), (67, 769563), (111, 464511), (201, 256521), (333, 154837), (603, 85507), (2311, 22311), (2479, 20799), (6933, 7437)]