Numbers n such that the sum of the digits of sigma(n)^phi(n) is divisible by n.

A109669

Numbers n such that the sum of the digits of sigma(n)^phi(n) is divisible by n.

Terms

    a(0) =1a(1) =19a(2) =126a(3) =162a(4) =231a(5) =255a(6) =717a(7) =1611a(8) =1897a(9) =3231a(10) =3735a(11) =8692a(12) =8774a(13) =10676a(14) =16903a(15) =17299a(16) =22194a(17) =30845a(18) =92049a(19) =309546a(20) =459780a(21) =502302a(22) =763755a(23) =788379

External references