28221459

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31253}}^1$

素因数の和:31306

約数の個数: 16

約数和(自身を含む): 44005632

約数和(自身を除く): 15784173

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31253, 93759, 218771, 656313, 1343879, 4031637, 9407153, 28221459]

約数ペア:

[(1, 28221459), (3, 9407153), (7, 4031637), (21, 1343879), (43, 656313), (129, 218771), (301, 93759), (903, 31253)]