389995857

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{6823}}^1$

素因数の和:6934

約数の個数: 32

約数和(自身を含む): 605971200

約数和(自身を除く): 215975343

約数列:

[1, 3, 9, 27, 29, 73, 87, 219, 261, 657, 783, 1971, 2117, 6351, 6823, 19053, 20469, 57159, 61407, 184221, 197867, 498079, 593601, 1494237, 1780803, 4482711, 5342409, 13448133, 14444291, 43332873, 129998619, 389995857]

約数ペア:

[(1, 389995857), (3, 129998619), (9, 43332873), (27, 14444291), (29, 13448133), (73, 5342409), (87, 4482711), (219, 1780803), (261, 1494237), (657, 593601), (783, 498079), (1971, 197867), (2117, 184221), (6351, 61407), (6823, 57159), (19053, 20469)]