13431555

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2689}}^1$

素因数の和:2740

約数の個数: 32

約数和(自身を含む): 24532800

約数和(自身を除く): 11101245

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 2689, 4995, 8067, 13445, 24201, 40335, 72603, 99493, 121005, 298479, 363015, 497465, 895437, 1492395, 2686311, 4477185, 13431555]

約数ペア:

[(1, 13431555), (3, 4477185), (5, 2686311), (9, 1492395), (15, 895437), (27, 497465), (37, 363015), (45, 298479), (111, 121005), (135, 99493), (185, 72603), (333, 40335), (555, 24201), (999, 13445), (1665, 8067), (2689, 4995)]