2560437

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 4268160

約数和(自身を除く): 1707723

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 233, 297, 333, 407, 699, 999, 1221, 2097, 2563, 3663, 6291, 7689, 8621, 10989, 23067, 25863, 69201, 77589, 94831, 232767, 284493, 853479, 2560437]

約数ペア:

[(1, 2560437), (3, 853479), (9, 284493), (11, 232767), (27, 94831), (33, 77589), (37, 69201), (99, 25863), (111, 23067), (233, 10989), (297, 8621), (333, 7689), (407, 6291), (699, 3663), (999, 2563), (1221, 2097)]