28212255

素因数分解:

$3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2003}}^1$

素因数の和:2327

約数の個数: 24

約数和(自身を含む): 49081968

約数和(自身を除く): 20869713

約数列:

[1, 3, 5, 9, 15, 45, 313, 939, 1565, 2003, 2817, 4695, 6009, 10015, 14085, 18027, 30045, 90135, 626939, 1880817, 3134695, 5642451, 9404085, 28212255]

約数ペア:

[(1, 28212255), (3, 9404085), (5, 5642451), (9, 3134695), (15, 1880817), (45, 626939), (313, 90135), (939, 30045), (1565, 18027), (2003, 14085), (2817, 10015), (4695, 6009)]