I divisori di 3999999 sono 16, elencati qui di seguito: 1; 3; 23; 29; 69; 87; 667; 1999; 2001; 5997; 45977; 57971; 137931; 173913; 1333333; 3999999
3999980, 3999981, 3999982, 3999983, 3999984, 3999985, 3999986, 3999987, 3999988, 3999989, 3999990, 3999991, 3999992, 3999993, 3999994, 3999995, 3999996, 3999997, 3999998, 4000000, 4000001, 4000002, 4000003, 4000004, 4000005, 4000006, 4000007, 4000008, 4000009, 4000010, 4000011, 4000012, 4000013, 4000014, 4000015, 4000016, 4000017, 4000018