81175185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 177585408

約数和(自身を除く): 96410223

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 43, 45, 63, 65, 91, 105, 117, 129, 195, 215, 273, 301, 315, 387, 455, 461, 559, 585, 645, 819, 903, 1365, 1383, 1505, 1677, 1935, 2305, 2709, 2795, 3227, 3913, 4095, 4149, 4515, 5031, 5993, 6915, 8385, 9681, 11739, 13545, 16135, 17979, 19565, 19823, 20745, 25155, 29043, 29965, 35217, 41951, 48405, 53937, 58695, 59469, 89895, 99115, 125853, 138761, 145215, 176085, 178407, 209755, 257699, 269685, 297345, 377559, 416283, 629265, 693805, 773097, 892035, 1248849, 1288495, 1803893, 1887795, 2081415, 2319291, 3865485, 5411679, 6244245, 9019465, 11596455, 16235037, 27058395, 81175185]

約数ペア:

[(1, 81175185), (3, 27058395), (5, 16235037), (7, 11596455), (9, 9019465), (13, 6244245), (15, 5411679), (21, 3865485), (35, 2319291), (39, 2081415), (43, 1887795), (45, 1803893), (63, 1288495), (65, 1248849), (91, 892035), (105, 773097), (117, 693805), (129, 629265), (195, 416283), (215, 377559), (273, 297345), (301, 269685), (315, 257699), (387, 209755), (455, 178407), (461, 176085), (559, 145215), (585, 138761), (645, 125853), (819, 99115), (903, 89895), (1365, 59469), (1383, 58695), (1505, 53937), (1677, 48405), (1935, 41951), (2305, 35217), (2709, 29965), (2795, 29043), (3227, 25155), (3913, 20745), (4095, 19823), (4149, 19565), (4515, 17979), (5031, 16135), (5993, 13545), (6915, 11739), (8385, 9681)]