28625247

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8573}}^1$

素因数の和:8639

約数の個数: 24

約数和(自身を含む): 48151584

約数和(自身を除く): 19526337

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 8573, 25719, 60011, 77157, 180033, 454369, 540099, 1363107, 3180583, 4089321, 9541749, 28625247]

約数ペア:

[(1, 28625247), (3, 9541749), (7, 4089321), (9, 3180583), (21, 1363107), (53, 540099), (63, 454369), (159, 180033), (371, 77157), (477, 60011), (1113, 25719), (3339, 8573)]