71397489

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{1307}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 96687360

約数和(自身を除く): 25289871

約数列:

[1, 3, 131, 139, 393, 417, 1307, 3921, 18209, 54627, 171217, 181673, 513651, 545019, 23799163, 71397489]

約数ペア:

[(1, 71397489), (3, 23799163), (131, 545019), (139, 513651), (393, 181673), (417, 171217), (1307, 54627), (3921, 18209)]