28214571

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1823}}^1$

素因数の和:1911

約数の個数: 32

約数和(自身を含む): 47628288

約数和(自身を除く): 19413717

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 201, 231, 469, 737, 1407, 1823, 2211, 5159, 5469, 12761, 15477, 20053, 38283, 60159, 122141, 140371, 366423, 421113, 854987, 1343551, 2564961, 4030653, 9404857, 28214571]

約数ペア:

[(1, 28214571), (3, 9404857), (7, 4030653), (11, 2564961), (21, 1343551), (33, 854987), (67, 421113), (77, 366423), (201, 140371), (231, 122141), (469, 60159), (737, 38283), (1407, 20053), (1823, 15477), (2211, 12761), (5159, 5469)]