209211309

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{18493}}^1$

素因数の和:18921

約数の個数: 16

約数和(自身を含む): 310699200

約数和(自身を除く): 101487891

約数列:

[1, 3, 9, 27, 419, 1257, 3771, 11313, 18493, 55479, 166437, 499311, 7748567, 23245701, 69737103, 209211309]

約数ペア:

[(1, 209211309), (3, 69737103), (9, 23245701), (27, 7748567), (419, 499311), (1257, 166437), (3771, 55479), (11313, 18493)]