821569311

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{50969}}^1$

素因数の和:51180

約数の個数: 20

約数和(自身を含む): 1233474000

約数和(自身を除く): 411904689

約数列:

[1, 3, 9, 27, 81, 199, 597, 1791, 5373, 16119, 50969, 152907, 458721, 1376163, 4128489, 10142831, 30428493, 91285479, 273856437, 821569311]

約数ペア:

[(1, 821569311), (3, 273856437), (9, 91285479), (27, 30428493), (81, 10142831), (199, 4128489), (597, 1376163), (1791, 458721), (5373, 152907), (16119, 50969)]