By way of the aliquot sum s(n), ซื้อที่ดินนครปฐม the deficiency is n − s(n). Denoting by σ(n) the sum of divisors, the value 2n −…
View More How 5 Stories Will Change The way in which You Approach 2By way of the aliquot sum s(n), ซื้อที่ดินนครปฐม the deficiency is n − s(n). Denoting by σ(n) the sum of divisors, the value 2n −…
View More How 5 Stories Will Change The way in which You Approach 2