16988997

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:584

約数の個数: 16

約数和(自身を含む): 23063040

約数和(自身を除く): 6074043

約数列:

[1, 3, 131, 139, 311, 393, 417, 933, 18209, 40741, 43229, 54627, 122223, 129687, 5662999, 16988997]

約数ペア:

[(1, 16988997), (3, 5662999), (131, 129687), (139, 122223), (311, 54627), (393, 43229), (417, 40741), (933, 18209)]