289609989

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{137321}}^1$

素因数の和:137380

約数の個数: 16

約数和(自身を含む): 417458880

約数和(自身を除く): 127848891

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 137321, 411963, 2609099, 5080877, 7827297, 15242631, 96536663, 289609989]

約数ペア:

[(1, 289609989), (3, 96536663), (19, 15242631), (37, 7827297), (57, 5080877), (111, 2609099), (703, 411963), (2109, 137321)]