257047029

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{40627}}^1$

素因数の和:40689

約数の個数: 24

約数和(自身を含む): 401404640

約数和(自身を除く): 144357611

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 6327, 40627, 121881, 365643, 771913, 1503199, 2315739, 4509597, 6947217, 13528791, 28560781, 85682343, 257047029]

約数ペア:

[(1, 257047029), (3, 85682343), (9, 28560781), (19, 13528791), (37, 6947217), (57, 4509597), (111, 2315739), (171, 1503199), (333, 771913), (703, 365643), (2109, 121881), (6327, 40627)]