28291179

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{11321}}^1$

素因数の和:11355

約数の個数: 24

約数和(自身を含む): 46465488

約数和(自身を除く): 18174309

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 11321, 33963, 79247, 192457, 237741, 554729, 577371, 1347199, 1664187, 4041597, 9430393, 28291179]

約数ペア:

[(1, 28291179), (3, 9430393), (7, 4041597), (17, 1664187), (21, 1347199), (49, 577371), (51, 554729), (119, 237741), (147, 192457), (357, 79247), (833, 33963), (2499, 11321)]