28707273

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10597}}^1$

素因数の和:10653

約数の個数: 24

約数和(自身を含む): 48496448

約数和(自身を除く): 19789175

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 10597, 31791, 74179, 95373, 222537, 455671, 667611, 1367013, 3189697, 4101039, 9569091, 28707273]

約数ペア:

[(1, 28707273), (3, 9569091), (7, 4101039), (9, 3189697), (21, 1367013), (43, 667611), (63, 455671), (129, 222537), (301, 95373), (387, 74179), (903, 31791), (2709, 10597)]