205721073

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4789}}^1$

素因数の和:4878

約数の個数: 32

約数和(自身を含む): 320355200

約数和(自身を除く): 114634127

約数列:

[1, 3, 9, 27, 37, 43, 111, 129, 333, 387, 999, 1161, 1591, 4773, 4789, 14319, 14367, 42957, 43101, 129303, 177193, 205927, 531579, 617781, 1594737, 1853343, 4784211, 5560029, 7619299, 22857897, 68573691, 205721073]

約数ペア:

[(1, 205721073), (3, 68573691), (9, 22857897), (27, 7619299), (37, 5560029), (43, 4784211), (111, 1853343), (129, 1594737), (333, 617781), (387, 531579), (999, 205927), (1161, 177193), (1591, 129303), (4773, 43101), (4789, 42957), (14319, 14367)]