View Compilation Error

0_0_38519669_31114.cpp: In function 'int main()':
0_0_38519669_31114.cpp:54:8: error: invalid conversion from 'int (*)(int)' to 'int' [-fpermissive]
     ans+=phi[n/i];
        ^
0_0_38519669_31114.cpp:57:9: error: invalid conversion from 'int (*)(int)' to 'int' [-fpermissive]
      ans+=phi[n/i];
         ^
0_0_38519669_31114.cpp:60:9: error: invalid conversion from 'int (*)(int)' to 'int' [-fpermissive]
      ans+=phi[i];
         ^