How many positive integers n satisfy σ(n) = 54?

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Q: refer  to  image  below.

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Q: Let f R2 R² be an isomorphism where : → ƒ ( [¹³]) = [()] and ƒ ([×4]) = }}] Find(G)

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Q: Solve the following linear program using the simplex algorithm. You should give the initial tableau…

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