2520309

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 3792096

約数和(自身を除く): 1271787

約数列:

[1, 3, 11, 33, 53, 121, 131, 159, 363, 393, 583, 1441, 1749, 4323, 6413, 6943, 15851, 19239, 20829, 47553, 76373, 229119, 840103, 2520309]

約数ペア:

[(1, 2520309), (3, 840103), (11, 229119), (33, 76373), (53, 47553), (121, 20829), (131, 19239), (159, 15851), (363, 6943), (393, 6413), (583, 4323), (1441, 1749)]