20191580127

素因数分解:

$3^4\times {\mathrm{1061}}^1\times {\mathrm{234947}}^1$

素因数の和:236020

約数の個数: 20

約数和(自身を含む): 30191287896

約数和(自身を除く): 9999707769

約数列:

[1, 3, 9, 27, 81, 1061, 3183, 9549, 28647, 85941, 234947, 704841, 2114523, 6343569, 19030707, 249278767, 747836301, 2243508903, 6730526709, 20191580127]

約数ペア:

[(1, 20191580127), (3, 6730526709), (9, 2243508903), (27, 747836301), (81, 249278767), (1061, 19030707), (3183, 6343569), (9549, 2114523), (28647, 704841), (85941, 234947)]