128957081

素因数分解:

${\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{5051}}^1$

素因数の和:5284

約数の個数: 12

約数和(自身を含む): 142446192

約数和(自身を除く): 13489111

約数列:

[1, 11, 121, 211, 2321, 5051, 25531, 55561, 611171, 1065761, 11723371, 128957081]

約数ペア:

[(1, 128957081), (11, 11723371), (121, 1065761), (211, 611171), (2321, 55561), (5051, 25531)]