25616007

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{607}}^1$

素因数の和:1140

約数の個数: 20

約数和(自身を含む): 38402496

約数和(自身を除く): 12786489

約数列:

[1, 3, 9, 27, 81, 521, 607, 1563, 1821, 4689, 5463, 14067, 16389, 42201, 49167, 316247, 948741, 2846223, 8538669, 25616007]

約数ペア:

[(1, 25616007), (3, 8538669), (9, 2846223), (27, 948741), (81, 316247), (521, 49167), (607, 42201), (1563, 16389), (1821, 14067), (4689, 5463)]