207971277

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1\times {\mathrm{823}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 280186368

約数和(自身を除く): 72215091

約数列:

[1, 3, 131, 393, 643, 823, 1929, 2469, 84233, 107813, 252699, 323439, 529189, 1587567, 69323759, 207971277]

約数ペア:

[(1, 207971277), (3, 69323759), (131, 1587567), (393, 529189), (643, 323439), (823, 252699), (1929, 107813), (2469, 84233)]