4042143

素因数分解:

$3^4\times 7^1\times {\mathrm{7129}}^1$

素因数の和:7148

約数の個数: 20

約数和(自身を含む): 6901840

約数和(自身を除く): 2859697

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 7129, 21387, 49903, 64161, 149709, 192483, 449127, 577449, 1347381, 4042143]

約数ペア:

[(1, 4042143), (3, 1347381), (7, 577449), (9, 449127), (21, 192483), (27, 149709), (63, 64161), (81, 49903), (189, 21387), (567, 7129)]