15981817

素因数分解:

${\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:268

約数の個数: 16

約数和(自身を含む): 17085712

約数和(自身を除く): 1103895

約数列:

[1, 37, 61, 73, 97, 2257, 2701, 3589, 4453, 5917, 7081, 164761, 218929, 261997, 431941, 15981817]

約数ペア:

[(1, 15981817), (37, 431941), (61, 261997), (73, 218929), (97, 164761), (2257, 7081), (2701, 5917), (3589, 4453)]