31437126

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{109}}^2$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 82018440

約数和(自身を除く): 50581314

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 109, 126, 147, 189, 218, 294, 327, 378, 441, 654, 763, 882, 981, 1323, 1526, 1962, 2289, 2646, 2943, 4578, 5341, 5886, 6867, 10682, 11881, 13734, 16023, 20601, 23762, 32046, 35643, 41202, 48069, 71286, 83167, 96138, 106929, 144207, 166334, 213858, 249501, 288414, 320787, 499002, 582169, 641574, 748503, 1164338, 1497006, 1746507, 2245509, 3493014, 4491018, 5239521, 10479042, 15718563, 31437126]

約数ペア:

[(1, 31437126), (2, 15718563), (3, 10479042), (6, 5239521), (7, 4491018), (9, 3493014), (14, 2245509), (18, 1746507), (21, 1497006), (27, 1164338), (42, 748503), (49, 641574), (54, 582169), (63, 499002), (98, 320787), (109, 288414), (126, 249501), (147, 213858), (189, 166334), (218, 144207), (294, 106929), (327, 96138), (378, 83167), (441, 71286), (654, 48069), (763, 41202), (882, 35643), (981, 32046), (1323, 23762), (1526, 20601), (1962, 16023), (2289, 13734), (2646, 11881), (2943, 10682), (4578, 6867), (5341, 5886)]