Numbers k such that usigma(k) = phi(k)*omega(k), where omega(k) is the number of distinct prime divisors of k.

A063795

Numbers k such that usigma(k) = phi(k)*omega(k), where omega(k) is the number of distinct prime divisors of k.

Terms

    a(0) =35a(1) =99a(2) =357a(3) =495a(4) =1672a(5) =2108a(6) =3135a(7) =3465a(8) =3692a(9) =5152a(10) =11704a(11) =14756a(12) =15800a(13) =18375a(14) =20026a(15) =23374a(16) =23560a(17) =25714a(18) =25844a(19) =33915a(20) =35074a(21) =39585a(22) =49196a(23) =55154a(24) =56134a(25) =66040a(26) =86900a(27) =99484a(28) =104140a(29) =105105

External references