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For an arbitrary given $k\geq3,$ we consider a possibility of representationof a positive number $n$ by the form $x_1...x_k+x_1+...+x_k, 1\leq x_1\leq ...\leq x_k.$ We also study a question on the smallest value of $k\geq3$ in such arepresentation.

Representation of positive integers by the form $x_1...x_k + x_1 + ... + x_k$