2543457

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3907}}^1$

素因数の和:3948

約数の個数: 16

約数和(自身を含む): 4001792

約数和(自身を除く): 1458335

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 3907, 11721, 27349, 82047, 121117, 363351, 847819, 2543457]

約数ペア:

[(1, 2543457), (3, 847819), (7, 363351), (21, 121117), (31, 82047), (93, 27349), (217, 11721), (651, 3907)]