208073259

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{647}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 317053440

約数和(自身を除く): 108980181

約数列:

[1, 3, 9, 27, 43, 129, 277, 387, 647, 831, 1161, 1941, 2493, 5823, 7479, 11911, 17469, 27821, 35733, 83463, 107199, 179219, 250389, 321597, 537657, 751167, 1612971, 4838913, 7706417, 23119251, 69357753, 208073259]

約数ペア:

[(1, 208073259), (3, 69357753), (9, 23119251), (27, 7706417), (43, 4838913), (129, 1612971), (277, 751167), (387, 537657), (647, 321597), (831, 250389), (1161, 179219), (1941, 107199), (2493, 83463), (5823, 35733), (7479, 27821), (11911, 17469)]