28257321

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4133}}^1$

素因数の和:4232

約数の個数: 16

約数和(自身を含む): 39289536

約数和(自身を除く): 11032215

約数列:

[1, 3, 43, 53, 129, 159, 2279, 4133, 6837, 12399, 177719, 219049, 533157, 657147, 9419107, 28257321]

約数ペア:

[(1, 28257321), (3, 9419107), (43, 657147), (53, 533157), (129, 219049), (159, 177719), (2279, 12399), (4133, 6837)]