28764405

素因数分解:

$3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3571}}^1$

素因数の和:3761

約数の個数: 24

約数和(自身を含む): 50150880

約数和(自身を除く): 21386475

約数列:

[1, 3, 5, 9, 15, 45, 179, 537, 895, 1611, 2685, 3571, 8055, 10713, 17855, 32139, 53565, 160695, 639209, 1917627, 3196045, 5752881, 9588135, 28764405]

約数ペア:

[(1, 28764405), (3, 9588135), (5, 5752881), (9, 3196045), (15, 1917627), (45, 639209), (179, 160695), (537, 53565), (895, 32139), (1611, 17855), (2685, 10713), (3571, 8055)]