28439343

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{12107}}^1$

素因数の和:12148

約数の個数: 20

約数和(自身を含む): 43952040

約数和(自身を除く): 15512697

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 12107, 36321, 108963, 326889, 351103, 980667, 1053309, 3159927, 9479781, 28439343]

約数ペア:

[(1, 28439343), (3, 9479781), (9, 3159927), (27, 1053309), (29, 980667), (81, 351103), (87, 326889), (261, 108963), (783, 36321), (2349, 12107)]