208070721

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{208279}}^1$

素因数の和:208325

約数の個数: 16

約数和(自身を含む): 316585600

約数和(自身を除く): 108514879

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 208279, 624837, 1874511, 5623533, 7706323, 23118969, 69356907, 208070721]

約数ペア:

[(1, 208070721), (3, 69356907), (9, 23118969), (27, 7706323), (37, 5623533), (111, 1874511), (333, 624837), (999, 208279)]