9981972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 34000512

約数和(自身を除く): 24018540

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 77, 78, 84, 91, 99, 117, 126, 132, 143, 154, 156, 182, 198, 231, 234, 252, 273, 277, 286, 308, 364, 396, 429, 462, 468, 546, 554, 572, 693, 819, 831, 858, 924, 1001, 1092, 1108, 1287, 1386, 1638, 1662, 1716, 1939, 2002, 2493, 2574, 2772, 3003, 3047, 3276, 3324, 3601, 3878, 4004, 4986, 5148, 5817, 6006, 6094, 7202, 7756, 9009, 9141, 9972, 10803, 11634, 12012, 12188, 14404, 17451, 18018, 18282, 21329, 21606, 23268, 25207, 27423, 32409, 34902, 36036, 36564, 39611, 42658, 43212, 50414, 54846, 63987, 64818, 69804, 75621, 79222, 85316, 100828, 109692, 118833, 127974, 129636, 151242, 158444, 191961, 226863, 237666, 255948, 277277, 302484, 356499, 383922, 453726, 475332, 554554, 712998, 767844, 831831, 907452, 1109108, 1425996, 1663662, 2495493, 3327324, 4990986, 9981972]

約数ペア:

[(1, 9981972), (2, 4990986), (3, 3327324), (4, 2495493), (6, 1663662), (7, 1425996), (9, 1109108), (11, 907452), (12, 831831), (13, 767844), (14, 712998), (18, 554554), (21, 475332), (22, 453726), (26, 383922), (28, 356499), (33, 302484), (36, 277277), (39, 255948), (42, 237666), (44, 226863), (52, 191961), (63, 158444), (66, 151242), (77, 129636), (78, 127974), (84, 118833), (91, 109692), (99, 100828), (117, 85316), (126, 79222), (132, 75621), (143, 69804), (154, 64818), (156, 63987), (182, 54846), (198, 50414), (231, 43212), (234, 42658), (252, 39611), (273, 36564), (277, 36036), (286, 34902), (308, 32409), (364, 27423), (396, 25207), (429, 23268), (462, 21606), (468, 21329), (546, 18282), (554, 18018), (572, 17451), (693, 14404), (819, 12188), (831, 12012), (858, 11634), (924, 10803), (1001, 9972), (1092, 9141), (1108, 9009), (1287, 7756), (1386, 7202), (1638, 6094), (1662, 6006), (1716, 5817), (1939, 5148), (2002, 4986), (2493, 4004), (2574, 3878), (2772, 3601), (3003, 3324), (3047, 3276)]