31739121

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{2819}}^1$

素因数の和:2970

約数の個数: 20

約数和(自身を含む): 47770800

約数和(自身を除く): 16031679

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 2819, 3753, 8457, 11259, 25371, 76113, 228339, 391841, 1175523, 3526569, 10579707, 31739121]

約数ペア:

[(1, 31739121), (3, 10579707), (9, 3526569), (27, 1175523), (81, 391841), (139, 228339), (417, 76113), (1251, 25371), (2819, 11259), (3753, 8457)]