28942569

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 44499840

約数和(自身を除く): 15557271

約数列:

[1, 3, 9, 27, 43, 97, 129, 257, 291, 387, 771, 873, 1161, 2313, 2619, 4171, 6939, 11051, 12513, 24929, 33153, 37539, 74787, 99459, 112617, 224361, 298377, 673083, 1071947, 3215841, 9647523, 28942569]

約数ペア:

[(1, 28942569), (3, 9647523), (9, 3215841), (27, 1071947), (43, 673083), (97, 298377), (129, 224361), (257, 112617), (291, 99459), (387, 74787), (771, 37539), (873, 33153), (1161, 24929), (2313, 12513), (2619, 11051), (4171, 6939)]