201131505

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 386394624

約数和(自身を除く): 185263119

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 131, 135, 153, 223, 255, 393, 405, 459, 655, 669, 765, 1115, 1179, 1377, 1965, 2007, 2227, 2295, 3345, 3537, 3791, 5895, 6021, 6681, 6885, 10035, 10611, 11135, 11373, 17685, 18063, 18955, 20043, 29213, 30105, 33405, 34119, 53055, 56865, 60129, 87639, 90315, 100215, 102357, 146065, 170595, 180387, 262917, 300645, 307071, 438195, 496621, 511785, 788751, 901935, 1314585, 1489863, 1535355, 2366253, 2483105, 3943755, 4469589, 7449315, 11831265, 13408767, 22347945, 40226301, 67043835, 201131505]

約数ペア:

[(1, 201131505), (3, 67043835), (5, 40226301), (9, 22347945), (15, 13408767), (17, 11831265), (27, 7449315), (45, 4469589), (51, 3943755), (81, 2483105), (85, 2366253), (131, 1535355), (135, 1489863), (153, 1314585), (223, 901935), (255, 788751), (393, 511785), (405, 496621), (459, 438195), (655, 307071), (669, 300645), (765, 262917), (1115, 180387), (1179, 170595), (1377, 146065), (1965, 102357), (2007, 100215), (2227, 90315), (2295, 87639), (3345, 60129), (3537, 56865), (3791, 53055), (5895, 34119), (6021, 33405), (6681, 30105), (6885, 29213), (10035, 20043), (10611, 18955), (11135, 18063), (11373, 17685)]