Yuan, Pingzhi An upper bound for the number of odd multiperfect numbers. (English) Zbl 1307.11009 Bull. Aust. Math. Soc. 89, No. 1, 1-4 (2014). Reviewer: Pentti Haukkanen (Tampere) MSC: 11A25 × Cite Format Result Cite Review PDF Full Text: DOI
Dai, Li-Xia; Pan, Hao; Tang, Cui-E Note on odd multiperfect numbers. (English) Zbl 1307.11007 Bull. Aust. Math. Soc. 87, No. 3, 448-451 (2013). Reviewer: Pentti Haukkanen (Tampere) MSC: 11A25 11A05 05A17 × Cite Format Result Cite Review PDF Full Text: DOI