2723643979

素因数分解:

$7^4\times {\mathrm{139}}^1\times {\mathrm{8161}}^1$

素因数の和:8328

約数の個数: 20

約数和(自身を含む): 3200646680

約数和(自身を除く): 477002701

約数列:

[1, 7, 49, 139, 343, 973, 2401, 6811, 8161, 47677, 57127, 333739, 399889, 1134379, 2799223, 7940653, 19594561, 55584571, 389091997, 2723643979]

約数ペア:

[(1, 2723643979), (7, 389091997), (49, 55584571), (139, 19594561), (343, 7940653), (973, 2799223), (2401, 1134379), (6811, 399889), (8161, 333739), (47677, 57127)]