180388881

素因数分解:

$3^2\times {\mathrm{1279}}^1\times {\mathrm{15671}}^1$

素因数の和:16956

約数の個数: 12

約数和(自身を含む): 260782080

約数和(自身を除く): 80393199

約数列:

[1, 3, 9, 1279, 3837, 11511, 15671, 47013, 141039, 20043209, 60129627, 180388881]

約数ペア:

[(1, 180388881), (3, 60129627), (9, 20043209), (1279, 141039), (3837, 47013), (11511, 15671)]