31247577

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 46176000

約数和(自身を除く): 14928423

約数列:

[1, 3, 9, 73, 199, 219, 239, 597, 657, 717, 1791, 2151, 14527, 17447, 43581, 47561, 52341, 130743, 142683, 157023, 428049, 3471953, 10415859, 31247577]

約数ペア:

[(1, 31247577), (3, 10415859), (9, 3471953), (73, 428049), (199, 157023), (219, 142683), (239, 130743), (597, 52341), (657, 47561), (717, 43581), (1791, 17447), (2151, 14527)]