16939905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{66431}}^1$

素因数の和:66456

約数の個数: 16

約数和(自身を含む): 28698624

約数和(自身を除く): 11758719

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 66431, 199293, 332155, 996465, 1129327, 3387981, 5646635, 16939905]

約数ペア:

[(1, 16939905), (3, 5646635), (5, 3387981), (15, 1129327), (17, 996465), (51, 332155), (85, 199293), (255, 66431)]