205986249

素因数分解:

$3^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{1259}}^1$

素因数の和:1339

約数の個数: 48

約数和(自身を含む): 353808000

約数和(自身を除く): 147821751

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 343, 371, 441, 477, 1029, 1113, 1259, 2597, 3087, 3339, 3777, 7791, 8813, 11331, 18179, 23373, 26439, 54537, 61691, 66727, 79317, 163611, 185073, 200181, 431837, 467089, 555219, 600543, 1295511, 1401267, 3269623, 3886533, 4203801, 9808869, 22887361, 29426607, 68662083, 205986249]

約数ペア:

[(1, 205986249), (3, 68662083), (7, 29426607), (9, 22887361), (21, 9808869), (49, 4203801), (53, 3886533), (63, 3269623), (147, 1401267), (159, 1295511), (343, 600543), (371, 555219), (441, 467089), (477, 431837), (1029, 200181), (1113, 185073), (1259, 163611), (2597, 79317), (3087, 66727), (3339, 61691), (3777, 54537), (7791, 26439), (8813, 23373), (11331, 18179)]