2971857

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3011}}^1$

素因数の和:3068

約数の個数: 16

約数和(自身を含む): 4626432

約数和(自身を除く): 1654575

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 3011, 9033, 21077, 63231, 141517, 424551, 990619, 2971857]

約数ペア:

[(1, 2971857), (3, 990619), (7, 424551), (21, 141517), (47, 63231), (141, 21077), (329, 9033), (987, 3011)]