247005

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 468000

約数和(自身を除く): 220995

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 499, 1497, 2495, 4491, 5489, 7485, 16467, 22455, 27445, 49401, 82335, 247005]

約数ペア:

[(1, 247005), (3, 82335), (5, 49401), (9, 27445), (11, 22455), (15, 16467), (33, 7485), (45, 5489), (55, 4491), (99, 2495), (165, 1497), (495, 499)]