7139847

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 12065760

約数和(自身を除く): 4925913

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 89, 121, 143, 187, 221, 267, 363, 429, 561, 663, 979, 1157, 1513, 1573, 2057, 2431, 2937, 3471, 4539, 4719, 6171, 7293, 10769, 12727, 16643, 19669, 26741, 32307, 38181, 49929, 59007, 80223, 139997, 183073, 216359, 419991, 549219, 649077, 2379949, 7139847]

約数ペア:

[(1, 7139847), (3, 2379949), (11, 649077), (13, 549219), (17, 419991), (33, 216359), (39, 183073), (51, 139997), (89, 80223), (121, 59007), (143, 49929), (187, 38181), (221, 32307), (267, 26741), (363, 19669), (429, 16643), (561, 12727), (663, 10769), (979, 7293), (1157, 6171), (1513, 4719), (1573, 4539), (2057, 3471), (2431, 2937)]