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I'm looking for composite $n$ such that $$\sigma(n)\equiv n+1\pmod{\varphi(n)}$$

Are there only finitely many? Can this be proved?

This is Sloane's A070037 but there's not much information in the entry.

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    Are we saying that $\sigma(n)$ is the actual sigma function and $\phi(n)$ is Euler's totient function?2017-06-01
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    @ObinnaNwakwue Yes.2017-06-02

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