81856287

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{5417}}^1$

素因数の和:5519

約数の個数: 24

約数和(自身を含む): 125090784

約数和(自身を除く): 43234497

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1679, 5037, 5417, 15111, 16251, 48753, 124591, 373773, 395441, 1121319, 1186323, 3558969, 9095143, 27285429, 81856287]

約数ペア:

[(1, 81856287), (3, 27285429), (9, 9095143), (23, 3558969), (69, 1186323), (73, 1121319), (207, 395441), (219, 373773), (657, 124591), (1679, 48753), (5037, 16251), (5417, 15111)]