18561521

素因数分解:

${\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{1171}}^1$

素因数の和:1324

約数の個数: 12

約数和(自身を含む): 20575632

約数和(自身を除く): 2014111

約数列:

[1, 11, 121, 131, 1171, 1441, 12881, 15851, 141691, 153401, 1687411, 18561521]

約数ペア:

[(1, 18561521), (11, 1687411), (121, 153401), (131, 141691), (1171, 15851), (1441, 12881)]