290640321

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1699651}}^1$

素因数の和:1699676

約数の個数: 12

約数和(自身を含む): 441909520

約数和(自身を除く): 151269199

約数列:

[1, 3, 9, 19, 57, 171, 1699651, 5098953, 15296859, 32293369, 96880107, 290640321]

約数ペア:

[(1, 290640321), (3, 96880107), (9, 32293369), (19, 15296859), (57, 5098953), (171, 1699651)]