499689

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 20

約数和(自身を含む): 774400

約数和(自身を除く): 274711

約数列:

[1, 3, 9, 27, 31, 81, 93, 199, 279, 597, 837, 1791, 2511, 5373, 6169, 16119, 18507, 55521, 166563, 499689]

約数ペア:

[(1, 499689), (3, 166563), (9, 55521), (27, 18507), (31, 16119), (81, 6169), (93, 5373), (199, 2511), (279, 1791), (597, 837)]