8012781

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{659}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 13316160

約数和(自身を除く): 5303379

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 659, 1351, 1737, 1977, 4053, 4613, 5931, 12159, 13839, 41517, 127187, 381561, 890309, 1144683, 2670927, 8012781]

約数ペア:

[(1, 8012781), (3, 2670927), (7, 1144683), (9, 890309), (21, 381561), (63, 127187), (193, 41517), (579, 13839), (659, 12159), (1351, 5931), (1737, 4613), (1977, 4053)]