254365713

素因数分解:

$3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 469497600

約数和(自身を除く): 215131887

約数列:

[1, 3, 7, 9, 17, 21, 37, 49, 51, 63, 111, 119, 131, 147, 153, 259, 333, 343, 357, 393, 441, 629, 777, 833, 917, 1029, 1071, 1179, 1813, 1887, 2227, 2331, 2499, 2751, 3087, 4403, 4847, 5439, 5661, 5831, 6419, 6681, 7497, 8253, 12691, 13209, 14541, 15589, 16317, 17493, 19257, 20043, 30821, 33929, 38073, 39627, 43623, 44933, 46767, 52479, 57771, 82399, 92463, 101787, 109123, 114219, 134799, 140301, 215747, 237503, 247197, 277389, 305361, 327369, 404397, 576793, 647241, 712509, 741591, 763861, 982107, 1662521, 1730379, 1941723, 2137527, 2291583, 4037551, 4987563, 5191137, 6874749, 12112653, 14962689, 28262857, 36337959, 84788571, 254365713]

約数ペア:

[(1, 254365713), (3, 84788571), (7, 36337959), (9, 28262857), (17, 14962689), (21, 12112653), (37, 6874749), (49, 5191137), (51, 4987563), (63, 4037551), (111, 2291583), (119, 2137527), (131, 1941723), (147, 1730379), (153, 1662521), (259, 982107), (333, 763861), (343, 741591), (357, 712509), (393, 647241), (441, 576793), (629, 404397), (777, 327369), (833, 305361), (917, 277389), (1029, 247197), (1071, 237503), (1179, 215747), (1813, 140301), (1887, 134799), (2227, 114219), (2331, 109123), (2499, 101787), (2751, 92463), (3087, 82399), (4403, 57771), (4847, 52479), (5439, 46767), (5661, 44933), (5831, 43623), (6419, 39627), (6681, 38073), (7497, 33929), (8253, 30821), (12691, 20043), (13209, 19257), (14541, 17493), (15589, 16317)]