200720517

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67651}}^1$

素因数の和:67720

約数の個数: 16

約数和(自身を含む): 285762048

約数和(自身を除く): 85041531

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 67651, 202953, 1555973, 2908993, 4667919, 8726979, 66906839, 200720517]

約数ペア:

[(1, 200720517), (3, 66906839), (23, 8726979), (43, 4667919), (69, 2908993), (129, 1555973), (989, 202953), (2967, 67651)]