17220441

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43159}}^1$

素因数の和:43188

約数の個数: 16

約数和(自身を含む): 27622400

約数和(自身を除く): 10401959

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 43159, 129477, 302113, 820021, 906339, 2460063, 5740147, 17220441]

約数ペア:

[(1, 17220441), (3, 5740147), (7, 2460063), (19, 906339), (21, 820021), (57, 302113), (133, 129477), (399, 43159)]