28628289

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 45440640

約数和(自身を除く): 16812351

約数列:

[1, 3, 9, 17, 27, 51, 97, 153, 291, 459, 643, 873, 1649, 1929, 2619, 4947, 5787, 10931, 14841, 17361, 32793, 44523, 62371, 98379, 187113, 295137, 561339, 1060307, 1684017, 3180921, 9542763, 28628289]

約数ペア:

[(1, 28628289), (3, 9542763), (9, 3180921), (17, 1684017), (27, 1060307), (51, 561339), (97, 295137), (153, 187113), (291, 98379), (459, 62371), (643, 44523), (873, 32793), (1649, 17361), (1929, 14841), (2619, 10931), (4947, 5787)]