8127999999

素因数分解:

$3^4\times 7^3\times {\mathrm{17}}^1\times {\mathrm{17209}}^1$

素因数の和:17259

約数の個数: 80

約数和(自身を含む): 14993352000

約数和(自身を除く): 6865352001

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 81, 119, 147, 153, 189, 343, 357, 441, 459, 567, 833, 1029, 1071, 1323, 1377, 2499, 3087, 3213, 3969, 5831, 7497, 9261, 9639, 17209, 17493, 22491, 27783, 51627, 52479, 67473, 120463, 154881, 157437, 292553, 361389, 464643, 472311, 843241, 877659, 1084167, 1393929, 2047871, 2529723, 2632977, 3252501, 5902687, 6143613, 7589169, 7898931, 9757503, 14335097, 17708061, 18430839, 22767507, 23696793, 43005291, 53124183, 55292517, 68302521, 100345679, 129015873, 159372549, 165877551, 301037037, 387047619, 478117647, 903111111, 1161142857, 2709333333, 8127999999]

約数ペア:

[(1, 8127999999), (3, 2709333333), (7, 1161142857), (9, 903111111), (17, 478117647), (21, 387047619), (27, 301037037), (49, 165877551), (51, 159372549), (63, 129015873), (81, 100345679), (119, 68302521), (147, 55292517), (153, 53124183), (189, 43005291), (343, 23696793), (357, 22767507), (441, 18430839), (459, 17708061), (567, 14335097), (833, 9757503), (1029, 7898931), (1071, 7589169), (1323, 6143613), (1377, 5902687), (2499, 3252501), (3087, 2632977), (3213, 2529723), (3969, 2047871), (5831, 1393929), (7497, 1084167), (9261, 877659), (9639, 843241), (17209, 472311), (17493, 464643), (22491, 361389), (27783, 292553), (51627, 157437), (52479, 154881), (67473, 120463)]