2021145291

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{11399}}^1$

素因数の和:11621

約数の個数: 40

約数和(自身を含む): 3310560000

約数和(自身を除く): 1289414709

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 199, 297, 597, 891, 1791, 2189, 5373, 6567, 11399, 16119, 19701, 34197, 59103, 102591, 125389, 177309, 307773, 376167, 923319, 1128501, 2268401, 3385503, 6805203, 10156509, 20415609, 24952411, 61246827, 74857233, 183740481, 224571699, 673715097, 2021145291]

約数ペア:

[(1, 2021145291), (3, 673715097), (9, 224571699), (11, 183740481), (27, 74857233), (33, 61246827), (81, 24952411), (99, 20415609), (199, 10156509), (297, 6805203), (597, 3385503), (891, 2268401), (1791, 1128501), (2189, 923319), (5373, 376167), (6567, 307773), (11399, 177309), (16119, 125389), (19701, 102591), (34197, 59103)]