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%I #14 Apr 17 2022 19:52:34
%S 35,44,56,105,198,418,1254
%N Numbers n such that j(n)*phi(n) = usigma(n), where j(n) = A033831, usigma(n) = sum of unitary divisors of n (A034448).
%C If it exists, a(8) > 10^9. - _Sean A. Irvine_, Jul 20 2020
%Y Cf. A000010 (phi), A034448 (usigma), A033831.
%K nonn,more
%O 1,1
%A _Naohiro Nomoto_
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