Sums of the triple divisor function over values of a ternary quadratic form
Sums of the triple divisor function over values of a ternary quadratic form
复制标题
DOI:
10.1016/j.jnt.2016.04.010
复制
发表时间:
2015-10
期刊:
影响因子:
--
通讯作者:
Qingfeng Sun;D. Zhang
中科院分区:
文献类型:
--
作者:
Qingfeng Sun;D. Zhang
Let τ 3 (n) be the triple divisor function which is the number of solutions of the equation d 1 d 2 d 3= n in natural numbers. It is shown that∑ 1≤ n 1, n 2, n 3≤ x τ 3 (n 1 2+ n 2 2+ n 3 2)= c 1 x 3 2 (log x) 2+ c 2 x 3 2 log x+ c 3 x 3 2+ O ε (x 11 8+ ε) for some constants c 1, c 2 and c 3.