12886713

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 22404096

約数和(自身を除く): 9517383

約数列:

[1, 3, 7, 9, 21, 43, 63, 67, 71, 129, 201, 213, 301, 387, 469, 497, 603, 639, 903, 1407, 1491, 2709, 2881, 3053, 4221, 4473, 4757, 8643, 9159, 14271, 20167, 21371, 25929, 27477, 33299, 42813, 60501, 64113, 99897, 181503, 192339, 204551, 299691, 613653, 1431857, 1840959, 4295571, 12886713]

約数ペア:

[(1, 12886713), (3, 4295571), (7, 1840959), (9, 1431857), (21, 613653), (43, 299691), (63, 204551), (67, 192339), (71, 181503), (129, 99897), (201, 64113), (213, 60501), (301, 42813), (387, 33299), (469, 27477), (497, 25929), (603, 21371), (639, 20167), (903, 14271), (1407, 9159), (1491, 8643), (2709, 4757), (2881, 4473), (3053, 4221)]