Does a perfect number exist which is odd and if so, are there infinitely many of them?
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| created: 2019-03-31 09:24:32 | modified: 2019-03-31 09:26:23 | by: bookofproofs | references: [1272]
[1272] Landau, Edmund: “Vorlesungen über Zahlentheorie, Aus der Elementaren Zahlentheorie”, S. Hirzel, Leipzig, 1927