Sigma(n)*UnitaryPhi(n)=UnitarySigma(n)*n
kohmoto
zbi74583 at boat.zero.ad.jp
Fri Jul 28 07:47:47 CEST 2006
Hello, Seqfans
I calculated numbers such that Sigma(n)*UnitaryPhi(n)=UnitarySigma(n)*n,
up to 10^6 with my note book computer.
But I found only two examples, 1 and 280.
They are too few to post it on OEIS.
I wish someone will search them and find more terms with a faster
computer.
Yasutoshi
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