28242837

素因数分解:

$3^4\times 7^1\times {\mathrm{49811}}^1$

素因数の和:49830

約数の個数: 20

約数和(自身を含む): 48218016

約数和(自身を除く): 19975179

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 49811, 149433, 348677, 448299, 1046031, 1344897, 3138093, 4034691, 9414279, 28242837]

約数ペア:

[(1, 28242837), (3, 9414279), (7, 4034691), (9, 3138093), (21, 1344897), (27, 1046031), (63, 448299), (81, 348677), (189, 149433), (567, 49811)]