13. (2023春•辽宁期中)设a=17e14,b=328,c=18e27a=\frac{1}{7}{e}^{\frac{1}{4}},b=\frac{3}{28},c=\frac{1}{8}{e}^{\frac{2}{7}}a=71e41,b=283,c=81e72,则aaa,bbb,ccc的大小关系为((( )))