Numbers k such that k/(3*k - sigma(k)) is a positive integer.

Terms

a(0) =6a(1) =24a(2) =28a(3) =60a(4) =84a(5) =168a(6) =252a(7) =270a(8) =336a(9) =496a(10) =630a(11) =756a(12) =792a(13) =864a(14) =924a(15) =936a(16) =1140a(17) =1170a(18) =1488a(19) =1638a(20) =2268a(21) =2808a(22) =2970a(23) =3672a(24) =4464a(25) =5148a(26) =5472a(27) =6804a(28) =7308a(29) =7644