128796549

素因数分解:

$3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{3929}}^1$

素因数の和:4169

約数の個数: 24

約数和(自身を含む): 200712960

約数和(自身を除く): 71916411

約数列:

[1, 3, 7, 21, 49, 147, 223, 669, 1561, 3929, 4683, 10927, 11787, 27503, 32781, 82509, 192521, 577563, 876167, 2628501, 6133169, 18399507, 42932183, 128796549]

約数ペア:

[(1, 128796549), (3, 42932183), (7, 18399507), (21, 6133169), (49, 2628501), (147, 876167), (223, 577563), (669, 192521), (1561, 82509), (3929, 32781), (4683, 27503), (10927, 11787)]