538990317

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{28289}}^1$

素因数の和:28397

約数の個数: 24

約数和(自身を含む): 816449400

約数和(自身を除く): 277459083

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 657, 2117, 6351, 19053, 28289, 84867, 254601, 820381, 2065097, 2461143, 6195291, 7383429, 18585873, 59887813, 179663439, 538990317]

約数ペア:

[(1, 538990317), (3, 179663439), (9, 59887813), (29, 18585873), (73, 7383429), (87, 6195291), (219, 2461143), (261, 2065097), (657, 820381), (2117, 254601), (6351, 84867), (19053, 28289)]