57120561

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{21961}}^1$

素因数の和:22001

約数の個数: 18

約数和(自身を含む): 87650342

約数和(自身を除く): 30529781

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 21961, 65883, 197649, 373337, 1120011, 3360033, 6346729, 19040187, 57120561]

約数ペア:

[(1, 57120561), (3, 19040187), (9, 6346729), (17, 3360033), (51, 1120011), (153, 373337), (289, 197649), (867, 65883), (2601, 21961)]