207643401

素因数分解:

$3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{18413}}^1$

素因数の和:18605

約数の個数: 24

約数和(自身を含む): 344710080

約数和(自身を除く): 137066679

約数列:

[1, 3, 7, 9, 21, 63, 179, 537, 1253, 1611, 3759, 11277, 18413, 55239, 128891, 165717, 386673, 1160019, 3295927, 9887781, 23071489, 29663343, 69214467, 207643401]

約数ペア:

[(1, 207643401), (3, 69214467), (7, 29663343), (9, 23071489), (21, 9887781), (63, 3295927), (179, 1160019), (537, 386673), (1253, 165717), (1611, 128891), (3759, 55239), (11277, 18413)]