208048635

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 394243200

約数和(自身を除く): 186194565

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 269, 337, 459, 765, 807, 1011, 1345, 1685, 2295, 2421, 3033, 4035, 4573, 5055, 5729, 7263, 9099, 12105, 13719, 15165, 17187, 22865, 28645, 36315, 41157, 45495, 51561, 68595, 85935, 90653, 123471, 154683, 205785, 257805, 271959, 453265, 617355, 773415, 815877, 1359795, 1541101, 2447631, 4079385, 4623303, 7705505, 12238155, 13869909, 23116515, 41609727, 69349545, 208048635]

約数ペア:

[(1, 208048635), (3, 69349545), (5, 41609727), (9, 23116515), (15, 13869909), (17, 12238155), (27, 7705505), (45, 4623303), (51, 4079385), (85, 2447631), (135, 1541101), (153, 1359795), (255, 815877), (269, 773415), (337, 617355), (459, 453265), (765, 271959), (807, 257805), (1011, 205785), (1345, 154683), (1685, 123471), (2295, 90653), (2421, 85935), (3033, 68595), (4035, 51561), (4573, 45495), (5055, 41157), (5729, 36315), (7263, 28645), (9099, 22865), (12105, 17187), (13719, 15165)]