87213489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{37223}}^1$

素因数の和:37308

約数の個数: 16

約数和(自身を含む): 128646144

約数和(自身を除く): 41432655

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 37223, 111669, 409453, 1228359, 2642833, 7928499, 29071163, 87213489]

約数ペア:

[(1, 87213489), (3, 29071163), (11, 7928499), (33, 2642833), (71, 1228359), (213, 409453), (781, 111669), (2343, 37223)]