16638345

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3331}}^1$

素因数の和:3382

約数の個数: 32

約数和(自身を含む): 30387840

約数和(自身を除く): 13749495

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 3331, 4995, 9993, 16655, 29979, 49965, 89937, 123247, 149895, 369741, 449685, 616235, 1109223, 1848705, 3327669, 5546115, 16638345]

約数ペア:

[(1, 16638345), (3, 5546115), (5, 3327669), (9, 1848705), (15, 1109223), (27, 616235), (37, 449685), (45, 369741), (111, 149895), (135, 123247), (185, 89937), (333, 49965), (555, 29979), (999, 16655), (1665, 9993), (3331, 4995)]