127568889

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{7879}}^1$

素因数の和:8149

約数の個数: 24

約数和(自身を含む): 211436160

約数和(自身を除く): 83867271

約数列:

[1, 3, 7, 9, 21, 63, 257, 771, 1799, 2313, 5397, 7879, 16191, 23637, 55153, 70911, 165459, 496377, 2024903, 6074709, 14174321, 18224127, 42522963, 127568889]

約数ペア:

[(1, 127568889), (3, 42522963), (7, 18224127), (9, 14174321), (21, 6074709), (63, 2024903), (257, 496377), (771, 165459), (1799, 70911), (2313, 55153), (5397, 23637), (7879, 16191)]