208147005

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{420499}}^1$

素因数の和:420521

約数の個数: 24

約数和(自身を含む): 393588000

約数和(自身を除く): 185440995

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 420499, 1261497, 2102495, 3784491, 4625489, 6307485, 13876467, 18922455, 23127445, 41629401, 69382335, 208147005]

約数ペア:

[(1, 208147005), (3, 69382335), (5, 41629401), (9, 23127445), (11, 18922455), (15, 13876467), (33, 6307485), (45, 4625489), (55, 3784491), (99, 2102495), (165, 1261497), (495, 420499)]