28647861

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12227}}^1$

素因数の和:12312

約数の個数: 16

約数和(自身を含む): 42259968

約数和(自身を除く): 13612107

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 12227, 36681, 134497, 403491, 868117, 2604351, 9549287, 28647861]

約数ペア:

[(1, 28647861), (3, 9549287), (11, 2604351), (33, 868117), (71, 403491), (213, 134497), (781, 36681), (2343, 12227)]