51899925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 116103680

約数和(自身を除く): 64203755

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 25, 33, 35, 43, 55, 57, 75, 77, 95, 105, 121, 129, 133, 165, 175, 209, 215, 231, 275, 285, 301, 363, 385, 399, 473, 475, 525, 605, 627, 645, 665, 817, 825, 847, 903, 1045, 1075, 1155, 1419, 1425, 1463, 1505, 1815, 1925, 1995, 2299, 2365, 2451, 2541, 3025, 3135, 3225, 3311, 3325, 4085, 4235, 4389, 4515, 5203, 5225, 5719, 5775, 6897, 7095, 7315, 7525, 8987, 9075, 9933, 9975, 11495, 11825, 12255, 12705, 15609, 15675, 16093, 16555, 17157, 20425, 21175, 21945, 22575, 26015, 26961, 28595, 34485, 35475, 36421, 36575, 44935, 48279, 49665, 57475, 61275, 62909, 63525, 78045, 80465, 82775, 85785, 98857, 109263, 109725, 130075, 134805, 142975, 172425, 182105, 188727, 224675, 241395, 248325, 296571, 314545, 390225, 402325, 428925, 494285, 546315, 674025, 691999, 910525, 943635, 1206975, 1482855, 1572725, 2075997, 2471425, 2731575, 3459995, 4718175, 7414275, 10379985, 17299975, 51899925]

約数ペア:

[(1, 51899925), (3, 17299975), (5, 10379985), (7, 7414275), (11, 4718175), (15, 3459995), (19, 2731575), (21, 2471425), (25, 2075997), (33, 1572725), (35, 1482855), (43, 1206975), (55, 943635), (57, 910525), (75, 691999), (77, 674025), (95, 546315), (105, 494285), (121, 428925), (129, 402325), (133, 390225), (165, 314545), (175, 296571), (209, 248325), (215, 241395), (231, 224675), (275, 188727), (285, 182105), (301, 172425), (363, 142975), (385, 134805), (399, 130075), (473, 109725), (475, 109263), (525, 98857), (605, 85785), (627, 82775), (645, 80465), (665, 78045), (817, 63525), (825, 62909), (847, 61275), (903, 57475), (1045, 49665), (1075, 48279), (1155, 44935), (1419, 36575), (1425, 36421), (1463, 35475), (1505, 34485), (1815, 28595), (1925, 26961), (1995, 26015), (2299, 22575), (2365, 21945), (2451, 21175), (2541, 20425), (3025, 17157), (3135, 16555), (3225, 16093), (3311, 15675), (3325, 15609), (4085, 12705), (4235, 12255), (4389, 11825), (4515, 11495), (5203, 9975), (5225, 9933), (5719, 9075), (5775, 8987), (6897, 7525), (7095, 7315)]