207972927

素因数分解:

$3^4\times {\mathrm{331}}^1\times {\mathrm{7757}}^1$

素因数の和:8100

約数の個数: 20

約数和(自身を含む): 311654376

約数和(自身を除く): 103681449

約数列:

[1, 3, 9, 27, 81, 331, 993, 2979, 7757, 8937, 23271, 26811, 69813, 209439, 628317, 2567567, 7702701, 23108103, 69324309, 207972927]

約数ペア:

[(1, 207972927), (3, 69324309), (9, 23108103), (27, 7702701), (81, 2567567), (331, 628317), (993, 209439), (2979, 69813), (7757, 26811), (8937, 23271)]