65239965

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 145981440

約数和(自身を除く): 80741475

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 31, 35, 45, 51, 63, 85, 93, 105, 119, 131, 135, 153, 155, 189, 217, 255, 279, 315, 357, 393, 459, 465, 527, 595, 651, 655, 765, 837, 917, 945, 1071, 1085, 1179, 1395, 1581, 1785, 1953, 1965, 2227, 2295, 2635, 2751, 3213, 3255, 3537, 3689, 4061, 4185, 4585, 4743, 5355, 5859, 5895, 6681, 7905, 8253, 9765, 11067, 11135, 12183, 13755, 14229, 15589, 16065, 17685, 18445, 20043, 20305, 23715, 24759, 28427, 29295, 33201, 33405, 36549, 41265, 46767, 55335, 60129, 60915, 69037, 71145, 77945, 85281, 99603, 100215, 109647, 123795, 140301, 142135, 166005, 182745, 207111, 233835, 255843, 300645, 345185, 420903, 426405, 483259, 498015, 548235, 621333, 701505, 767529, 1035555, 1279215, 1449777, 1863999, 2104515, 2416295, 3106665, 3837645, 4349331, 7248885, 9319995, 13047993, 21746655, 65239965]

約数ペア:

[(1, 65239965), (3, 21746655), (5, 13047993), (7, 9319995), (9, 7248885), (15, 4349331), (17, 3837645), (21, 3106665), (27, 2416295), (31, 2104515), (35, 1863999), (45, 1449777), (51, 1279215), (63, 1035555), (85, 767529), (93, 701505), (105, 621333), (119, 548235), (131, 498015), (135, 483259), (153, 426405), (155, 420903), (189, 345185), (217, 300645), (255, 255843), (279, 233835), (315, 207111), (357, 182745), (393, 166005), (459, 142135), (465, 140301), (527, 123795), (595, 109647), (651, 100215), (655, 99603), (765, 85281), (837, 77945), (917, 71145), (945, 69037), (1071, 60915), (1085, 60129), (1179, 55335), (1395, 46767), (1581, 41265), (1785, 36549), (1953, 33405), (1965, 33201), (2227, 29295), (2295, 28427), (2635, 24759), (2751, 23715), (3213, 20305), (3255, 20043), (3537, 18445), (3689, 17685), (4061, 16065), (4185, 15589), (4585, 14229), (4743, 13755), (5355, 12183), (5859, 11135), (5895, 11067), (6681, 9765), (7905, 8253)]