47778891

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{21787}}^1$

素因数の和:21850

約数の個数: 16

約数和(自身を含む): 69024384

約数和(自身を除く): 21245493

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 21787, 65361, 370379, 936841, 1111137, 2810523, 15926297, 47778891]

約数ペア:

[(1, 47778891), (3, 15926297), (17, 2810523), (43, 1111137), (51, 936841), (129, 370379), (731, 65361), (2193, 21787)]