28208037

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1399}}^1$

素因数の和:1473

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 16950363

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 517, 611, 1399, 1551, 1833, 4197, 6721, 15389, 18187, 20163, 46167, 54561, 65753, 197259, 200057, 600171, 723283, 854789, 2169849, 2564367, 9402679, 28208037]

約数ペア:

[(1, 28208037), (3, 9402679), (11, 2564367), (13, 2169849), (33, 854789), (39, 723283), (47, 600171), (141, 200057), (143, 197259), (429, 65753), (517, 54561), (611, 46167), (1399, 20163), (1551, 18187), (1833, 15389), (4197, 6721)]