66139605

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 149299200

約数和(自身を除く): 83159595

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 23, 27, 35, 45, 51, 63, 69, 85, 105, 115, 119, 135, 153, 161, 179, 189, 207, 255, 315, 345, 357, 391, 459, 483, 537, 595, 621, 765, 805, 895, 945, 1035, 1071, 1173, 1253, 1449, 1611, 1785, 1955, 2295, 2415, 2685, 2737, 3043, 3105, 3213, 3519, 3759, 4117, 4347, 4833, 5355, 5865, 6265, 7245, 8055, 8211, 9129, 10557, 11277, 12351, 13685, 15215, 16065, 17595, 18795, 20585, 21301, 21735, 24165, 24633, 27387, 28819, 33831, 37053, 41055, 45645, 52785, 56385, 61755, 63903, 69989, 73899, 82161, 86457, 106505, 111159, 123165, 136935, 144095, 169155, 185265, 191709, 209967, 259371, 319515, 349945, 369495, 410805, 432285, 489923, 555795, 575127, 629901, 778113, 958545, 1049835, 1296855, 1469769, 1889703, 2449615, 2875635, 3149505, 3890565, 4409307, 7348845, 9448515, 13227921, 22046535, 66139605]

約数ペア:

[(1, 66139605), (3, 22046535), (5, 13227921), (7, 9448515), (9, 7348845), (15, 4409307), (17, 3890565), (21, 3149505), (23, 2875635), (27, 2449615), (35, 1889703), (45, 1469769), (51, 1296855), (63, 1049835), (69, 958545), (85, 778113), (105, 629901), (115, 575127), (119, 555795), (135, 489923), (153, 432285), (161, 410805), (179, 369495), (189, 349945), (207, 319515), (255, 259371), (315, 209967), (345, 191709), (357, 185265), (391, 169155), (459, 144095), (483, 136935), (537, 123165), (595, 111159), (621, 106505), (765, 86457), (805, 82161), (895, 73899), (945, 69989), (1035, 63903), (1071, 61755), (1173, 56385), (1253, 52785), (1449, 45645), (1611, 41055), (1785, 37053), (1955, 33831), (2295, 28819), (2415, 27387), (2685, 24633), (2737, 24165), (3043, 21735), (3105, 21301), (3213, 20585), (3519, 18795), (3759, 17595), (4117, 16065), (4347, 15215), (4833, 13685), (5355, 12351), (5865, 11277), (6265, 10557), (7245, 9129), (8055, 8211)]