28057581

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 42059160

約数和(自身を除く): 14001579

約数列:

[1, 3, 9, 37, 109, 111, 327, 333, 773, 981, 2319, 4033, 6957, 12099, 28601, 36297, 84257, 85803, 252771, 257409, 758313, 3117509, 9352527, 28057581]

約数ペア:

[(1, 28057581), (3, 9352527), (9, 3117509), (37, 758313), (109, 257409), (111, 252771), (327, 85803), (333, 84257), (773, 36297), (981, 28601), (2319, 12099), (4033, 6957)]