2505105

素因数分解:

$3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 4380480

約数和(自身を除く): 1875375

約数列:

[1, 3, 5, 9, 15, 45, 179, 311, 537, 895, 933, 1555, 1611, 2685, 2799, 4665, 8055, 13995, 55669, 167007, 278345, 501021, 835035, 2505105]

約数ペア:

[(1, 2505105), (3, 835035), (5, 501021), (9, 278345), (15, 167007), (45, 55669), (179, 13995), (311, 8055), (537, 4665), (895, 2799), (933, 2685), (1555, 1611)]