28661157

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1619}}^1$

素因数の和:1913

約数の個数: 24

約数和(自身を含む): 47511360

約数和(自身を除く): 18850203

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1619, 1967, 2529, 4857, 5901, 11333, 14571, 17703, 33999, 101997, 454939, 1364817, 3184573, 4094451, 9553719, 28661157]

約数ペア:

[(1, 28661157), (3, 9553719), (7, 4094451), (9, 3184573), (21, 1364817), (63, 454939), (281, 101997), (843, 33999), (1619, 17703), (1967, 14571), (2529, 11333), (4857, 5901)]