Found 8 Documents (Results 1–8)
On the total number of prime factors of an odd perfect number. (English) Zbl 1487.11007
Reviewer: Pace Nielsen (Provo)
An analog of perfect numbers involving the unitary totient function. (English) Zbl 1464.11003
Reviewer: Pentti Haukkanen (Tampere)
Perfect and deficient perfect numbers. (English) Zbl 1477.11012
Reviewer: Christian Aebi (Genève)
MSC:
11A25
Sieve methods for odd perfect numbers. (English) Zbl 1268.11004
Reviewer: Eira J. Scourfield (Egham)
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