Kragujevac J. Math. 27 - 5
Kragujevac J. Math. 27 (2005) 47-54.
SEQUENCES RELATED TO THE SUM OF DIVISORS
Milorad R. Stevanovic
Technical Faculty, Svetog Save 65, 32000 Cacak
(Received April 18, 2005)
In this paper are given some formulas for s(n), the sum of divisors of
positive integer n. According to these formulas s(n) can be
evaluated via some sequences without knowledge of prime factorization of n.