28003635

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 55189680

約数和(自身を除く): 27186045

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 45, 55, 99, 111, 121, 139, 165, 185, 333, 363, 407, 417, 495, 555, 605, 695, 1089, 1221, 1251, 1529, 1665, 1815, 2035, 2085, 3663, 4477, 4587, 5143, 5445, 6105, 6255, 7645, 13431, 13761, 15429, 16819, 18315, 22385, 22935, 25715, 40293, 46287, 50457, 56573, 67155, 68805, 77145, 84095, 151371, 169719, 201465, 231435, 252285, 282865, 509157, 622303, 756855, 848595, 1866909, 2545785, 3111515, 5600727, 9334545, 28003635]

約数ペア:

[(1, 28003635), (3, 9334545), (5, 5600727), (9, 3111515), (11, 2545785), (15, 1866909), (33, 848595), (37, 756855), (45, 622303), (55, 509157), (99, 282865), (111, 252285), (121, 231435), (139, 201465), (165, 169719), (185, 151371), (333, 84095), (363, 77145), (407, 68805), (417, 67155), (495, 56573), (555, 50457), (605, 46287), (695, 40293), (1089, 25715), (1221, 22935), (1251, 22385), (1529, 18315), (1665, 16819), (1815, 15429), (2035, 13761), (2085, 13431), (3663, 7645), (4477, 6255), (4587, 6105), (5143, 5445)]