12909078

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 36771840

約数和(自身を除く): 23862762

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 37, 39, 42, 54, 63, 71, 74, 78, 91, 111, 117, 126, 142, 182, 189, 213, 222, 234, 259, 273, 333, 351, 378, 426, 481, 497, 518, 546, 639, 666, 702, 777, 819, 923, 962, 994, 999, 1278, 1443, 1491, 1554, 1638, 1846, 1917, 1998, 2331, 2457, 2627, 2769, 2886, 2982, 3367, 3834, 4329, 4473, 4662, 4914, 5254, 5538, 6461, 6734, 6993, 7881, 8307, 8658, 8946, 10101, 12922, 12987, 13419, 13986, 15762, 16614, 18389, 19383, 20202, 23643, 24921, 25974, 26838, 30303, 34151, 36778, 38766, 47286, 49842, 55167, 58149, 60606, 68302, 70929, 90909, 102453, 110334, 116298, 141858, 165501, 174447, 181818, 204906, 239057, 307359, 331002, 348894, 478114, 496503, 614718, 717171, 922077, 993006, 1434342, 1844154, 2151513, 4303026, 6454539, 12909078]

約数ペア:

[(1, 12909078), (2, 6454539), (3, 4303026), (6, 2151513), (7, 1844154), (9, 1434342), (13, 993006), (14, 922077), (18, 717171), (21, 614718), (26, 496503), (27, 478114), (37, 348894), (39, 331002), (42, 307359), (54, 239057), (63, 204906), (71, 181818), (74, 174447), (78, 165501), (91, 141858), (111, 116298), (117, 110334), (126, 102453), (142, 90909), (182, 70929), (189, 68302), (213, 60606), (222, 58149), (234, 55167), (259, 49842), (273, 47286), (333, 38766), (351, 36778), (378, 34151), (426, 30303), (481, 26838), (497, 25974), (518, 24921), (546, 23643), (639, 20202), (666, 19383), (702, 18389), (777, 16614), (819, 15762), (923, 13986), (962, 13419), (994, 12987), (999, 12922), (1278, 10101), (1443, 8946), (1491, 8658), (1554, 8307), (1638, 7881), (1846, 6993), (1917, 6734), (1998, 6461), (2331, 5538), (2457, 5254), (2627, 4914), (2769, 4662), (2886, 4473), (2982, 4329), (3367, 3834)]