19710027

素因数分解:

$3^3\times {\mathrm{823}}^1\times {\mathrm{887}}^1$

素因数の和:1719

約数の個数: 16

約数和(自身を含む): 29268480

約数和(自身を除く): 9558453

約数列:

[1, 3, 9, 27, 823, 887, 2469, 2661, 7407, 7983, 22221, 23949, 730001, 2190003, 6570009, 19710027]

約数ペア:

[(1, 19710027), (3, 6570009), (9, 2190003), (27, 730001), (823, 23949), (887, 22221), (2469, 7983), (2661, 7407)]