Perfect Abs: Imaginary part of complex z such that Abs[(Total[Divisors[z]]-z)]=Abs[z].

Terms

a(0) =3a(1) =7a(2) =8a(3) =42a(4) =48a(5) =57a(6) =33a(7) =82a(8) =78a(9) =77a(10) =83a(11) =189a(12) =154a(13) =92a(14) =321a(15) =341a(16) =549a(17) =664a(18) =106a(19) =1034a(20) =2929a(21) =4072a(22) =5049a(23) =3037a(24) =6957a(25) =7097a(26) =5051