1388403741

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{80111}}^1$

素因数の和:80276

約数の個数: 16

約数和(自身を含む): 1903461120

約数和(自身を除く): 515057379

約数列:

[1, 3, 53, 109, 159, 327, 5777, 17331, 80111, 240333, 4245883, 8732099, 12737649, 26196297, 462801247, 1388403741]

約数ペア:

[(1, 1388403741), (3, 462801247), (53, 26196297), (109, 12737649), (159, 8732099), (327, 4245883), (5777, 240333), (17331, 80111)]