85071987

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 179262720

約数和(自身を除く): 94190733

約数列:

[1, 3, 7, 9, 11, 13, 19, 21, 33, 39, 49, 57, 63, 71, 77, 91, 99, 117, 133, 143, 147, 171, 209, 213, 231, 247, 273, 399, 429, 441, 497, 539, 627, 637, 639, 693, 741, 781, 819, 923, 931, 1001, 1197, 1287, 1349, 1463, 1491, 1617, 1729, 1881, 1911, 2223, 2343, 2717, 2769, 2793, 3003, 3479, 4047, 4389, 4473, 4851, 5187, 5467, 5733, 6461, 7007, 7029, 8151, 8307, 8379, 9009, 9443, 10153, 10241, 10437, 12103, 12141, 13167, 14839, 15561, 16401, 17537, 19019, 19383, 21021, 24453, 28329, 30459, 30723, 31311, 36309, 38269, 44517, 45227, 49203, 52611, 57057, 58149, 63063, 66101, 71071, 84987, 91377, 92169, 103873, 108927, 114807, 122759, 133133, 133551, 135681, 157833, 171171, 192907, 198303, 213213, 311619, 344421, 368277, 399399, 407043, 497497, 578721, 594909, 639639, 727111, 859313, 934857, 1104831, 1198197, 1350349, 1492491, 1736163, 2181333, 2577939, 4051047, 4477473, 6543999, 7733817, 9452443, 12153141, 28357329, 85071987]

約数ペア:

[(1, 85071987), (3, 28357329), (7, 12153141), (9, 9452443), (11, 7733817), (13, 6543999), (19, 4477473), (21, 4051047), (33, 2577939), (39, 2181333), (49, 1736163), (57, 1492491), (63, 1350349), (71, 1198197), (77, 1104831), (91, 934857), (99, 859313), (117, 727111), (133, 639639), (143, 594909), (147, 578721), (171, 497497), (209, 407043), (213, 399399), (231, 368277), (247, 344421), (273, 311619), (399, 213213), (429, 198303), (441, 192907), (497, 171171), (539, 157833), (627, 135681), (637, 133551), (639, 133133), (693, 122759), (741, 114807), (781, 108927), (819, 103873), (923, 92169), (931, 91377), (1001, 84987), (1197, 71071), (1287, 66101), (1349, 63063), (1463, 58149), (1491, 57057), (1617, 52611), (1729, 49203), (1881, 45227), (1911, 44517), (2223, 38269), (2343, 36309), (2717, 31311), (2769, 30723), (2793, 30459), (3003, 28329), (3479, 24453), (4047, 21021), (4389, 19383), (4473, 19019), (4851, 17537), (5187, 16401), (5467, 15561), (5733, 14839), (6461, 13167), (7007, 12141), (7029, 12103), (8151, 10437), (8307, 10241), (8379, 10153), (9009, 9443)]