28791351

素因数分解:

$3^2\times {\mathrm{59}}^2\times {\mathrm{919}}^1$

素因数の和:1043

約数の個数: 18

約数和(自身を含む): 42350360

約数和(自身を除く): 13559009

約数列:

[1, 3, 9, 59, 177, 531, 919, 2757, 3481, 8271, 10443, 31329, 54221, 162663, 487989, 3199039, 9597117, 28791351]

約数ペア:

[(1, 28791351), (3, 9597117), (9, 3199039), (59, 487989), (177, 162663), (531, 54221), (919, 31329), (2757, 10443), (3481, 8271)]