New notes on the equation \(d(n)=d(\varphi(n))\) and the inequality \(d(n)>d(\varphi(n))\)
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Publication:6634062
DOI10.1515/MS-2024-0081MaRDI QIDQ6634062
Alain S. Togbé, Rafael Jakimczuk, Djamel Bellaouar
Publication date: 6 November 2024
Published in: Mathematica Slovaca (Search for Journal in Brave)
Arithmetic functions; related numbers; inversion formulas (11A25) Diophantine equations in many variables (11D72) Primes (11A41)
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