247965861

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8627}}^1$

素因数の和:8721

約数の個数: 32

約数和(自身を含む): 394265088

約数和(自身を除く): 146299227

約数列:

[1, 3, 11, 13, 33, 39, 67, 143, 201, 429, 737, 871, 2211, 2613, 8627, 9581, 25881, 28743, 94897, 112151, 284691, 336453, 578009, 1233661, 1734027, 3700983, 6358099, 7514117, 19074297, 22542351, 82655287, 247965861]

約数ペア:

[(1, 247965861), (3, 82655287), (11, 22542351), (13, 19074297), (33, 7514117), (39, 6358099), (67, 3700983), (143, 1734027), (201, 1233661), (429, 578009), (737, 336453), (871, 284691), (2211, 112151), (2613, 94897), (8627, 28743), (9581, 25881)]