28349433

素因数分解:

$3^4\times 7^1\times {\mathrm{49999}}^1$

素因数の和:50018

約数の個数: 20

約数和(自身を含む): 48400000

約数和(自身を除く): 20050567

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 49999, 149997, 349993, 449991, 1049979, 1349973, 3149937, 4049919, 9449811, 28349433]

約数ペア:

[(1, 28349433), (3, 9449811), (7, 4049919), (9, 3149937), (21, 1349973), (27, 1049979), (63, 449991), (81, 349993), (189, 149997), (567, 49999)]