1987659

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:528

約数の個数: 20

約数和(自身を含む): 3031776

約数和(自身を除く): 1044117

約数列:

[1, 3, 9, 27, 53, 81, 159, 463, 477, 1389, 1431, 4167, 4293, 12501, 24539, 37503, 73617, 220851, 662553, 1987659]

約数ペア:

[(1, 1987659), (3, 662553), (9, 220851), (27, 73617), (53, 37503), (81, 24539), (159, 12501), (463, 4293), (477, 4167), (1389, 1431)]