20120211

素因数分解:

$3^3\times {\mathrm{433}}^1\times {\mathrm{1721}}^1$

素因数の和:2163

約数の個数: 16

約数和(自身を含む): 29893920

約数和(自身を除く): 9773709

約数列:

[1, 3, 9, 27, 433, 1299, 1721, 3897, 5163, 11691, 15489, 46467, 745193, 2235579, 6706737, 20120211]

約数ペア:

[(1, 20120211), (3, 6706737), (9, 2235579), (27, 745193), (433, 46467), (1299, 15489), (1721, 11691), (3897, 5163)]