26978367

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9743}}^1$

素因数の和:9830

約数の個数: 16

約数和(自身を含む): 39287808

約数和(自身を除く): 12309441

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 9743, 29229, 126659, 379977, 691753, 2075259, 8992789, 26978367]

約数ペア:

[(1, 26978367), (3, 8992789), (13, 2075259), (39, 691753), (71, 379977), (213, 126659), (923, 29229), (2769, 9743)]