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On the divisor sum function
1985
Rocky Mountain Journal of Mathematics
In memory of Robert A. Smith and Ernst G. Straus 1. Introduction. The function T k (n) representing the number of ways of expressing n as a product of A: factors (the order of the factors being taken into account) has been studied since the time of Dirichlet. In contrast to this well-established function, the corresponding sum function a(n, &), which we define as the sum of the divisors corresponding to such factorizations of«, does not seem to have appeared in the literature. Indeed the only
doi:10.1216/rmj-1985-15-2-399
fatcat:t5kwj4myzzfibosd47acwp2bgu