991485

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2003}}^1$

素因数の和:2025

約数の個数: 24

約数和(自身を含む): 1875744

約数和(自身を除く): 884259

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 2003, 6009, 10015, 18027, 22033, 30045, 66099, 90135, 110165, 198297, 330495, 991485]

約数ペア:

[(1, 991485), (3, 330495), (5, 198297), (9, 110165), (11, 90135), (15, 66099), (33, 30045), (45, 22033), (55, 18027), (99, 10015), (165, 6009), (495, 2003)]