1557391

素因数分解:

${\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 12

約数和(自身を含む): 1748152

約数和(自身を除く): 190761

約数列:

[1, 11, 61, 121, 211, 671, 2321, 7381, 12871, 25531, 141581, 1557391]

約数ペア:

[(1, 1557391), (11, 141581), (61, 25531), (121, 12871), (211, 7381), (671, 2321)]