256218309

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{24907}}^1$

素因数の和:25046

約数の個数: 20

約数和(自身を含む): 385775104

約数和(自身を除く): 129556795

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 24907, 74721, 224163, 672489, 2017467, 3163189, 9489567, 28468701, 85406103, 256218309]

約数ペア:

[(1, 256218309), (3, 85406103), (9, 28468701), (27, 9489567), (81, 3163189), (127, 2017467), (381, 672489), (1143, 224163), (3429, 74721), (10287, 24907)]