28449279

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61981}}^1$

素因数の和:62007

約数の個数: 16

約数和(自身を含む): 44627040

約数和(自身を除く): 16177761

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 61981, 185943, 557829, 1053677, 1673487, 3161031, 9483093, 28449279]

約数ペア:

[(1, 28449279), (3, 9483093), (9, 3161031), (17, 1673487), (27, 1053677), (51, 557829), (153, 185943), (459, 61981)]