25301221

素因数分解:

${\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{991}}^1$

素因数の和:1224

約数の個数: 12

約数和(自身を含む): 27970432

約数和(自身を除く): 2669211

約数列:

[1, 11, 121, 211, 991, 2321, 10901, 25531, 119911, 209101, 2300111, 25301221]

約数ペア:

[(1, 25301221), (11, 2300111), (121, 209101), (211, 119911), (991, 25531), (2321, 10901)]