39947937

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{9871}}^1$

素因数の和:9964

約数の個数: 16

約数和(自身を含む): 56862720

約数和(自身を除く): 16914783

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 9871, 29613, 187549, 562647, 700841, 2102523, 13315979, 39947937]

約数ペア:

[(1, 39947937), (3, 13315979), (19, 2102523), (57, 700841), (71, 562647), (213, 187549), (1349, 29613), (4047, 9871)]