251657379

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{1489}}^1$

素因数の和:1795

約数の個数: 24

約数和(自身を含む): 369579600

約数和(自身を除く): 117922221

約数列:

[1, 3, 9, 89, 211, 267, 633, 801, 1489, 1899, 4467, 13401, 18779, 56337, 132521, 169011, 314179, 397563, 942537, 1192689, 2827611, 27961931, 83885793, 251657379]

約数ペア:

[(1, 251657379), (3, 83885793), (9, 27961931), (89, 2827611), (211, 1192689), (267, 942537), (633, 397563), (801, 314179), (1489, 169011), (1899, 132521), (4467, 56337), (13401, 18779)]