51069879

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 90956800

約数和(自身を除く): 39886921

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 67, 109, 111, 189, 201, 259, 327, 333, 469, 603, 763, 777, 981, 999, 1407, 1809, 2289, 2331, 2479, 2943, 4033, 4221, 6867, 6993, 7303, 7437, 12099, 12663, 17353, 20601, 21909, 22311, 28231, 36297, 51121, 52059, 65727, 66933, 84693, 108891, 153363, 156177, 197181, 254079, 270211, 460089, 468531, 762237, 810633, 1380267, 1891477, 2431899, 5674431, 7295697, 17023293, 51069879]

約数ペア:

[(1, 51069879), (3, 17023293), (7, 7295697), (9, 5674431), (21, 2431899), (27, 1891477), (37, 1380267), (63, 810633), (67, 762237), (109, 468531), (111, 460089), (189, 270211), (201, 254079), (259, 197181), (327, 156177), (333, 153363), (469, 108891), (603, 84693), (763, 66933), (777, 65727), (981, 52059), (999, 51121), (1407, 36297), (1809, 28231), (2289, 22311), (2331, 21909), (2479, 20601), (2943, 17353), (4033, 12663), (4221, 12099), (6867, 7437), (6993, 7303)]