660495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4003}}^1$

素因数の和:4022

約数の個数: 16

約数和(自身を含む): 1153152

約数和(自身を除く): 492657

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 4003, 12009, 20015, 44033, 60045, 132099, 220165, 660495]

約数ペア:

[(1, 660495), (3, 220165), (5, 132099), (11, 60045), (15, 44033), (33, 20015), (55, 12009), (165, 4003)]