Python題目：求出555555的約數中最大的3位數
num = 555555
all_divisor = []
for i in range(100,1000): #生成3位數
if num % i == 0:
all_divisor.append(i)
print("%d的所有約數爲：" % num ,end='')
for j in all_divisor:
print(str(j)+' ',end='')
print("\r\n最大約數爲：%d" % all_divisor[-1])