201280509

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{2417}}^1$

素因数の和:2929

約数の個数: 24

約数和(自身を含む): 306795840

約数和(自身を除く): 105515331

約数列:

[1, 3, 9, 19, 57, 171, 487, 1461, 2417, 4383, 7251, 9253, 21753, 27759, 45923, 83277, 137769, 413307, 1177079, 3531237, 10593711, 22364501, 67093503, 201280509]

約数ペア:

[(1, 201280509), (3, 67093503), (9, 22364501), (19, 10593711), (57, 3531237), (171, 1177079), (487, 413307), (1461, 137769), (2417, 83277), (4383, 45923), (7251, 27759), (9253, 21753)]