42638553

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1259}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 63685440

約数和(自身を除く): 21046887

約数列:

[1, 3, 9, 53, 71, 159, 213, 477, 639, 1259, 3763, 3777, 11289, 11331, 33867, 66727, 89389, 200181, 268167, 600543, 804501, 4737617, 14212851, 42638553]

約数ペア:

[(1, 42638553), (3, 14212851), (9, 4737617), (53, 804501), (71, 600543), (159, 268167), (213, 200181), (477, 89389), (639, 66727), (1259, 33867), (3763, 11331), (3777, 11289)]