86691

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 16

約数和(自身を含む): 131328

約数和(自身を除く): 44637

約数列:

[1, 3, 11, 33, 37, 71, 111, 213, 407, 781, 1221, 2343, 2627, 7881, 28897, 86691]

約数ペア:

[(1, 86691), (3, 28897), (11, 7881), (33, 2627), (37, 2343), (71, 1221), (111, 781), (213, 407)]