なお、因数分解すると A = bc * 19 * 29 * 46591 * 100363979, B = ca * 37 * 1806705194075701, C = ab * 3 * 11 * 73 * 1543 * 4663 * 169789, a = lcd(B,C) = 2^2 * 5 * 449 * 35869 * 516624461, b = lcd(C,A) = 97 * 3769 * 19329352219, c = lcd(A,B) = 7 * 79 * 239441 * 50787883, lcd(a,b,c) =1, らしい。
〔参考文献〕 A.Bremner, R.K.Guy and R.J.Nowakowski; "Which integers are representable as the product of the sum of three integers with the sum of their reciprocals ?" Math. Comput. Vol.６１, No.203, (1993 July) www.asahi-net.or.jp/~KC2H-MSM/mathland/math03/math0304.htm
