137843727

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{345473}}^1$

素因数の和:345502

約数の個数: 16

約数和(自身を含む): 221103360

約数和(自身を除く): 83259633

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 345473, 1036419, 2418311, 6563987, 7254933, 19691961, 45947909, 137843727]

約数ペア:

[(1, 137843727), (3, 45947909), (7, 19691961), (19, 7254933), (21, 6563987), (57, 2418311), (133, 1036419), (399, 345473)]