38987487

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:103

約数の個数: 120

約数和(自身を含む): 79453440

約数和(自身を除く): 40465953

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 47, 49, 57, 63, 77, 81, 99, 133, 141, 147, 171, 189, 209, 231, 297, 329, 399, 423, 441, 513, 517, 539, 567, 627, 693, 891, 893, 931, 987, 1197, 1269, 1323, 1463, 1539, 1551, 1617, 1881, 2079, 2303, 2679, 2793, 2961, 3591, 3619, 3807, 3969, 4389, 4653, 4851, 5643, 6237, 6251, 6909, 8037, 8379, 8883, 9823, 10241, 10773, 10857, 13167, 13959, 14553, 16929, 18753, 20727, 24111, 25137, 25333, 26649, 29469, 30723, 32571, 39501, 41877, 43659, 43757, 56259, 62181, 68761, 72333, 75411, 75999, 88407, 92169, 97713, 118503, 131271, 168777, 186543, 206283, 227997, 265221, 276507, 293139, 393813, 481327, 506331, 618849, 683991, 795663, 829521, 1181439, 1443981, 1856547, 2051973, 3544317, 4331943, 5569641, 12995829, 38987487]

約数ペア:

[(1, 38987487), (3, 12995829), (7, 5569641), (9, 4331943), (11, 3544317), (19, 2051973), (21, 1856547), (27, 1443981), (33, 1181439), (47, 829521), (49, 795663), (57, 683991), (63, 618849), (77, 506331), (81, 481327), (99, 393813), (133, 293139), (141, 276507), (147, 265221), (171, 227997), (189, 206283), (209, 186543), (231, 168777), (297, 131271), (329, 118503), (399, 97713), (423, 92169), (441, 88407), (513, 75999), (517, 75411), (539, 72333), (567, 68761), (627, 62181), (693, 56259), (891, 43757), (893, 43659), (931, 41877), (987, 39501), (1197, 32571), (1269, 30723), (1323, 29469), (1463, 26649), (1539, 25333), (1551, 25137), (1617, 24111), (1881, 20727), (2079, 18753), (2303, 16929), (2679, 14553), (2793, 13959), (2961, 13167), (3591, 10857), (3619, 10773), (3807, 10241), (3969, 9823), (4389, 8883), (4653, 8379), (4851, 8037), (5643, 6909), (6237, 6251)]