4721787

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 8426880

約数和(自身を除く): 3705093

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 83, 129, 147, 189, 249, 301, 387, 441, 581, 747, 903, 1161, 1323, 1743, 2107, 2241, 2709, 3569, 4067, 5229, 6321, 8127, 10707, 12201, 15687, 18963, 24983, 32121, 36603, 56889, 74949, 96363, 109809, 174881, 224847, 524643, 674541, 1573929, 4721787]

約数ペア:

[(1, 4721787), (3, 1573929), (7, 674541), (9, 524643), (21, 224847), (27, 174881), (43, 109809), (49, 96363), (63, 74949), (83, 56889), (129, 36603), (147, 32121), (189, 24983), (249, 18963), (301, 15687), (387, 12201), (441, 10707), (581, 8127), (747, 6321), (903, 5229), (1161, 4067), (1323, 3569), (1743, 2709), (2107, 2241)]