16672311

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{5563}}^1$

素因数の和:5612

約数の個数: 20

約数和(自身を含む): 25583272

約数和(自身を除く): 8910961

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 5563, 16689, 50067, 150201, 205831, 450603, 617493, 1852479, 5557437, 16672311]

約数ペア:

[(1, 16672311), (3, 5557437), (9, 1852479), (27, 617493), (37, 450603), (81, 205831), (111, 150201), (333, 50067), (999, 16689), (2997, 5563)]