12689985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10987}}^1$

素因数の和:11013

約数の個数: 32

約数和(自身を含む): 25316352

約数和(自身を除く): 12626367

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 10987, 32961, 54935, 76909, 120857, 164805, 230727, 362571, 384545, 604285, 845999, 1153635, 1812855, 2537997, 4229995, 12689985]

約数ペア:

[(1, 12689985), (3, 4229995), (5, 2537997), (7, 1812855), (11, 1153635), (15, 845999), (21, 604285), (33, 384545), (35, 362571), (55, 230727), (77, 164805), (105, 120857), (165, 76909), (231, 54935), (385, 32961), (1155, 10987)]