1981485

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4003}}^1$

素因数の和:4025

約数の個数: 24

約数和(自身を含む): 3747744

約数和(自身を除く): 1766259

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 4003, 12009, 20015, 36027, 44033, 60045, 132099, 180135, 220165, 396297, 660495, 1981485]

約数ペア:

[(1, 1981485), (3, 660495), (5, 396297), (9, 220165), (11, 180135), (15, 132099), (33, 60045), (45, 44033), (55, 36027), (99, 20015), (165, 12009), (495, 4003)]