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A038182 3-infinitary perfect numbers k: 3-i-sigma(k)=2*k where 3-i-sigma(.) = A049418(.). 1

%I

%S 6,28,3024,6552,27578880,49266240,49095705098695680

%N 3-infinitary perfect numbers k: 3-i-sigma(k)=2*k where 3-i-sigma(.) = A049418(.).

%H J. O. M. Pedersen, <a href="http://amicable.homepage.dk/tables.htm">Tables of Aliquot Cycles</a> [Broken link]

%H J. O. M. Pedersen, <a href="http://web.archive.org/web/20140502102524/http://amicable.homepage.dk/tables.htm">Tables of Aliquot Cycles</a> [Via Internet Archive Wayback-Machine]

%H J. O. M. Pedersen, <a href="/A063990/a063990.pdf">Tables of Aliquot Cycles</a> [Cached copy, pdf file only]

%e Factorizations: 2*3, 2^2*7, 2^4*3^3*7, 2^3*3^2*7*13, 2^9*3^4*5*7*19, 2^6*3*5*19*37*73, 2^10*3^6*5*19^2*127*379*757.

%Y Cf. A037445, A038148.

%K nonn,nice

%O 1,1

%A _Yasutoshi Kohmoto_

%E Definition shortened - _R. J. Mathar_, Oct 06 2010

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Last modified October 16 03:15 EDT 2019. Contains 328038 sequences. (Running on oeis4.)