81907091

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1699}}^1$

素因数の和:1874

約数の個数: 16

約数和(自身を含む): 95961600

約数和(自身を除く): 14054509

約数列:

[1, 7, 71, 97, 497, 679, 1699, 6887, 11893, 48209, 120629, 164803, 844403, 1153621, 11701013, 81907091]

約数ペア:

[(1, 81907091), (7, 11701013), (71, 1153621), (97, 844403), (497, 164803), (679, 120629), (1699, 48209), (6887, 11893)]