2551749

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 3531264

約数和(自身を除く): 979515

約数列:

[1, 3, 43, 129, 131, 151, 393, 453, 5633, 6493, 16899, 19479, 19781, 59343, 850583, 2551749]

約数ペア:

[(1, 2551749), (3, 850583), (43, 59343), (129, 19781), (131, 19479), (151, 16899), (393, 6493), (453, 5633)]