28344561

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71039}}^1$

素因数の和:71068

約数の個数: 16

約数和(自身を含む): 45465600

約数和(自身を除く): 17121039

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71039, 213117, 497273, 1349741, 1491819, 4049223, 9448187, 28344561]

約数ペア:

[(1, 28344561), (3, 9448187), (7, 4049223), (19, 1491819), (21, 1349741), (57, 497273), (133, 213117), (399, 71039)]