17852009

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 21086208

約数和(自身を除く): 3234199

約数列:

[1, 7, 43, 127, 301, 467, 889, 3269, 5461, 20081, 38227, 59309, 140567, 415163, 2550287, 17852009]

約数ペア:

[(1, 17852009), (7, 2550287), (43, 415163), (127, 140567), (301, 59309), (467, 38227), (889, 20081), (3269, 5461)]