51281019

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 83865600

約数和(自身を除く): 32584581

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 243, 261, 383, 513, 551, 783, 1149, 1539, 1653, 2349, 3447, 4617, 4959, 7047, 7277, 10341, 11107, 14877, 21831, 31023, 33321, 44631, 65493, 93069, 99963, 133893, 196479, 211033, 299889, 589437, 633099, 899667, 1768311, 1899297, 2699001, 5697891, 17093673, 51281019]

約数ペア:

[(1, 51281019), (3, 17093673), (9, 5697891), (19, 2699001), (27, 1899297), (29, 1768311), (57, 899667), (81, 633099), (87, 589437), (171, 299889), (243, 211033), (261, 196479), (383, 133893), (513, 99963), (551, 93069), (783, 65493), (1149, 44631), (1539, 33321), (1653, 31023), (2349, 21831), (3447, 14877), (4617, 11107), (4959, 10341), (7047, 7277)]