200790009

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 373431168

約数和(自身を除く): 172641159

約数列:

[1, 3, 7, 9, 17, 21, 27, 37, 51, 63, 81, 111, 119, 153, 189, 259, 333, 357, 459, 563, 567, 629, 777, 999, 1071, 1377, 1689, 1887, 2331, 2997, 3213, 3941, 4403, 5067, 5661, 6993, 9571, 9639, 11823, 13209, 15201, 16983, 20831, 20979, 28713, 35469, 39627, 45603, 50949, 62493, 66997, 86139, 106407, 118881, 145817, 187479, 200991, 258417, 319221, 354127, 356643, 437451, 562437, 602973, 775251, 1062381, 1312353, 1687311, 1808919, 2478889, 3187143, 3937059, 5426757, 7436667, 9561429, 11811177, 22310001, 28684287, 66930003, 200790009]

約数ペア:

[(1, 200790009), (3, 66930003), (7, 28684287), (9, 22310001), (17, 11811177), (21, 9561429), (27, 7436667), (37, 5426757), (51, 3937059), (63, 3187143), (81, 2478889), (111, 1808919), (119, 1687311), (153, 1312353), (189, 1062381), (259, 775251), (333, 602973), (357, 562437), (459, 437451), (563, 356643), (567, 354127), (629, 319221), (777, 258417), (999, 200991), (1071, 187479), (1377, 145817), (1689, 118881), (1887, 106407), (2331, 86139), (2997, 66997), (3213, 62493), (3941, 50949), (4403, 45603), (5067, 39627), (5661, 35469), (6993, 28713), (9571, 20979), (9639, 20831), (11823, 16983), (13209, 15201)]