200902149

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{74161}}^1$

素因数の和:74217

約数の個数: 24

約数和(自身を含む): 339365312

約数和(自身を除く): 138463163

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 74161, 222483, 519127, 667449, 1557381, 3188923, 4672143, 9566769, 22322461, 28700307, 66967383, 200902149]

約数ペア:

[(1, 200902149), (3, 66967383), (7, 28700307), (9, 22322461), (21, 9566769), (43, 4672143), (63, 3188923), (129, 1557381), (301, 667449), (387, 519127), (903, 222483), (2709, 74161)]