28948671

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{21023}}^1$

素因数の和:21052

約数の個数: 20

約数和(自身を含む): 45790272

約数和(自身を除く): 16841601

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 21023, 63069, 189207, 357391, 567621, 1072173, 1702863, 3216519, 9649557, 28948671]

約数ペア:

[(1, 28948671), (3, 9649557), (9, 3216519), (17, 1702863), (27, 1072173), (51, 567621), (81, 357391), (153, 189207), (459, 63069), (1377, 21023)]