86972781

素因数分解:

$3^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{6823}}^1$

素因数の和:7440

約数の個数: 16

約数和(自身を含む): 132767744

約数和(自身を除く): 45794963

約数列:

[1, 3, 7, 21, 607, 1821, 4249, 6823, 12747, 20469, 47761, 143283, 4141561, 12424683, 28990927, 86972781]

約数ペア:

[(1, 86972781), (3, 28990927), (7, 12424683), (21, 4141561), (607, 143283), (1821, 47761), (4249, 20469), (6823, 12747)]