kohmoto zbi74583 at
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 

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