406779519

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{112339}}^1$

素因数の和:112430

約数の個数: 16

約数和(自身を含む): 582370560

約数和(自身を除く): 175591041

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 112339, 337017, 1909763, 5729289, 7976069, 23928207, 135593173, 406779519]

約数ペア:

[(1, 406779519), (3, 135593173), (17, 23928207), (51, 7976069), (71, 5729289), (213, 1909763), (1207, 337017), (3621, 112339)]