2015207721

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{3245101}}^1$

素因数の和:3245133

約数の個数: 16

約数和(自身を含む): 3115297920

約数和(自身を除く): 1100090199

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 3245101, 9735303, 29205909, 74637323, 87617727, 223911969, 671735907, 2015207721]

約数ペア:

[(1, 2015207721), (3, 671735907), (9, 223911969), (23, 87617727), (27, 74637323), (69, 29205909), (207, 9735303), (621, 3245101)]