25980213

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{28771}}^1$

素因数の和:28824

約数の個数: 16

約数和(自身を含む): 40510976

約数和(自身を除く): 14530763

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 28771, 86313, 201397, 604191, 1237153, 3711459, 8660071, 25980213]

約数ペア:

[(1, 25980213), (3, 8660071), (7, 3711459), (21, 1237153), (43, 604191), (129, 201397), (301, 86313), (903, 28771)]