51281775

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 103118400

約数和(自身を除く): 51836625

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 41, 45, 51, 75, 85, 109, 123, 135, 153, 205, 225, 255, 327, 369, 425, 459, 545, 615, 675, 697, 765, 981, 1025, 1107, 1275, 1635, 1845, 1853, 2091, 2295, 2725, 2943, 3075, 3485, 3825, 4469, 4905, 5535, 5559, 6273, 8175, 9225, 9265, 10455, 11475, 13407, 14715, 16677, 17425, 18819, 22345, 24525, 27675, 27795, 31365, 40221, 46325, 50031, 52275, 67035, 73575, 75973, 83385, 94095, 111725, 120663, 138975, 156825, 201105, 227919, 250155, 335175, 379865, 416925, 470475, 603315, 683757, 1005525, 1139595, 1250775, 1899325, 2051271, 3016575, 3418785, 5697975, 10256355, 17093925, 51281775]

約数ペア:

[(1, 51281775), (3, 17093925), (5, 10256355), (9, 5697975), (15, 3418785), (17, 3016575), (25, 2051271), (27, 1899325), (41, 1250775), (45, 1139595), (51, 1005525), (75, 683757), (85, 603315), (109, 470475), (123, 416925), (135, 379865), (153, 335175), (205, 250155), (225, 227919), (255, 201105), (327, 156825), (369, 138975), (425, 120663), (459, 111725), (545, 94095), (615, 83385), (675, 75973), (697, 73575), (765, 67035), (981, 52275), (1025, 50031), (1107, 46325), (1275, 40221), (1635, 31365), (1845, 27795), (1853, 27675), (2091, 24525), (2295, 22345), (2725, 18819), (2943, 17425), (3075, 16677), (3485, 14715), (3825, 13407), (4469, 11475), (4905, 10455), (5535, 9265), (5559, 9225), (6273, 8175)]