80172099

素因数分解:

$3^4\times 7^1\times {\mathrm{141397}}^1$

素因数の和:141416

約数の個数: 20

約数和(自身を含む): 136873264

約数和(自身を除く): 56701165

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 141397, 424191, 989779, 1272573, 2969337, 3817719, 8908011, 11453157, 26724033, 80172099]

約数ペア:

[(1, 80172099), (3, 26724033), (7, 11453157), (9, 8908011), (21, 3817719), (27, 2969337), (63, 1272573), (81, 989779), (189, 424191), (567, 141397)]