1377881361

素因数分解:

$3^4\times {\mathrm{1021}}^1\times {\mathrm{16661}}^1$

素因数の和:17694

約数の個数: 20

約数和(自身を含む): 2060456244

約数和(自身を除く): 682574883

約数列:

[1, 3, 9, 27, 81, 1021, 3063, 9189, 16661, 27567, 49983, 82701, 149949, 449847, 1349541, 17010881, 51032643, 153097929, 459293787, 1377881361]

約数ペア:

[(1, 1377881361), (3, 459293787), (9, 153097929), (27, 51032643), (81, 17010881), (1021, 1349541), (3063, 449847), (9189, 149949), (16661, 82701), (27567, 49983)]