23903019

素因数分解:

$3^4\times 7^1\times {\mathrm{42157}}^1$

素因数の和:42176

約数の個数: 20

約数和(自身を含む): 40808944

約数和(自身を除く): 16905925

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 42157, 126471, 295099, 379413, 885297, 1138239, 2655891, 3414717, 7967673, 23903019]

約数ペア:

[(1, 23903019), (3, 7967673), (7, 3414717), (9, 2655891), (21, 1138239), (27, 885297), (63, 379413), (81, 295099), (189, 126471), (567, 42157)]