28638489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 16151271

約数列:

[1, 3, 11, 17, 33, 51, 71, 187, 213, 561, 719, 781, 1207, 2157, 2343, 3621, 7909, 12223, 13277, 23727, 36669, 39831, 51049, 134453, 153147, 403359, 561539, 867833, 1684617, 2603499, 9546163, 28638489]

約数ペア:

[(1, 28638489), (3, 9546163), (11, 2603499), (17, 1684617), (33, 867833), (51, 561539), (71, 403359), (187, 153147), (213, 134453), (561, 51049), (719, 39831), (781, 36669), (1207, 23727), (2157, 13277), (2343, 12223), (3621, 7909)]