2800203

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 4454208

約数和(自身を除く): 1654005

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 443, 903, 1329, 2107, 3101, 6321, 9303, 19049, 21707, 57147, 65121, 133343, 400029, 933401, 2800203]

約数ペア:

[(1, 2800203), (3, 933401), (7, 400029), (21, 133343), (43, 65121), (49, 57147), (129, 21707), (147, 19049), (301, 9303), (443, 6321), (903, 3101), (1329, 2107)]