9720459

素因数分解:

$3^3\times 7^1\times {\mathrm{51431}}^1$

素因数の和:51447

約数の個数: 16

約数和(自身を含む): 16458240

約数和(自身を除く): 6737781

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 51431, 154293, 360017, 462879, 1080051, 1388637, 3240153, 9720459]

約数ペア:

[(1, 9720459), (3, 3240153), (7, 1388637), (9, 1080051), (21, 462879), (27, 360017), (63, 154293), (189, 51431)]