54488889

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 101140480

約数和(自身を除く): 46651591

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 67, 91, 117, 189, 201, 273, 331, 351, 469, 603, 819, 871, 993, 1407, 1809, 2317, 2457, 2613, 2979, 4221, 4303, 6097, 6951, 7839, 8937, 12663, 12909, 18291, 20853, 22177, 23517, 30121, 38727, 54873, 62559, 66531, 90363, 116181, 155239, 164619, 199593, 271089, 288301, 465717, 598779, 813267, 864903, 1397151, 2018107, 2594709, 4191453, 6054321, 7784127, 18162963, 54488889]

約数ペア:

[(1, 54488889), (3, 18162963), (7, 7784127), (9, 6054321), (13, 4191453), (21, 2594709), (27, 2018107), (39, 1397151), (63, 864903), (67, 813267), (91, 598779), (117, 465717), (189, 288301), (201, 271089), (273, 199593), (331, 164619), (351, 155239), (469, 116181), (603, 90363), (819, 66531), (871, 62559), (993, 54873), (1407, 38727), (1809, 30121), (2317, 23517), (2457, 22177), (2613, 20853), (2979, 18291), (4221, 12909), (4303, 12663), (6097, 8937), (6951, 7839)]