261939825

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1133

約数の個数: 120

約数和(自身を含む): 587676672

約数和(自身を除く): 325736847

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 35, 45, 51, 63, 75, 81, 85, 105, 119, 135, 153, 175, 189, 225, 255, 315, 357, 405, 425, 459, 525, 567, 595, 675, 765, 945, 1071, 1087, 1275, 1377, 1575, 1785, 2025, 2295, 2835, 2975, 3213, 3261, 3825, 4725, 5355, 5435, 6885, 7609, 8925, 9639, 9783, 11475, 14175, 16065, 16305, 18479, 22827, 26775, 27175, 29349, 34425, 38045, 48195, 48915, 55437, 68481, 80325, 81525, 88047, 92395, 114135, 129353, 146745, 166311, 190225, 205443, 240975, 244575, 277185, 342405, 388059, 440235, 461975, 498933, 570675, 616329, 646765, 733725, 831555, 1027215, 1164177, 1385925, 1496799, 1712025, 1940295, 2201175, 2494665, 3081645, 3233825, 3492531, 4157775, 5136075, 5820885, 7483995, 9701475, 10477593, 12473325, 15408225, 17462655, 29104425, 37419975, 52387965, 87313275, 261939825]

約数ペア:

[(1, 261939825), (3, 87313275), (5, 52387965), (7, 37419975), (9, 29104425), (15, 17462655), (17, 15408225), (21, 12473325), (25, 10477593), (27, 9701475), (35, 7483995), (45, 5820885), (51, 5136075), (63, 4157775), (75, 3492531), (81, 3233825), (85, 3081645), (105, 2494665), (119, 2201175), (135, 1940295), (153, 1712025), (175, 1496799), (189, 1385925), (225, 1164177), (255, 1027215), (315, 831555), (357, 733725), (405, 646765), (425, 616329), (459, 570675), (525, 498933), (567, 461975), (595, 440235), (675, 388059), (765, 342405), (945, 277185), (1071, 244575), (1087, 240975), (1275, 205443), (1377, 190225), (1575, 166311), (1785, 146745), (2025, 129353), (2295, 114135), (2835, 92395), (2975, 88047), (3213, 81525), (3261, 80325), (3825, 68481), (4725, 55437), (5355, 48915), (5435, 48195), (6885, 38045), (7609, 34425), (8925, 29349), (9639, 27175), (9783, 26775), (11475, 22827), (14175, 18479), (16065, 16305)]