90640989

素因数分解:

$3^2\times {\mathrm{239}}^1\times {\mathrm{42139}}^1$

素因数の和:42384

約数の個数: 12

約数和(自身を含む): 131476800

約数和(自身を除く): 40835811

約数列:

[1, 3, 9, 239, 717, 2151, 42139, 126417, 379251, 10071221, 30213663, 90640989]

約数ペア:

[(1, 90640989), (3, 30213663), (9, 10071221), (239, 379251), (717, 126417), (2151, 42139)]