139288581

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{217979}}^1$

素因数の和:218056

約数の個数: 12

約数和(自身を含む): 204029280

約数和(自身を除く): 64740699

約数列:

[1, 3, 9, 71, 213, 639, 217979, 653937, 1961811, 15476509, 46429527, 139288581]

約数ペア:

[(1, 139288581), (3, 46429527), (9, 15476509), (71, 1961811), (213, 653937), (639, 217979)]