12687891

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 17404800

約数和(自身を除く): 4716909

約数列:

[1, 3, 59, 97, 177, 291, 739, 2217, 5723, 17169, 43601, 71683, 130803, 215049, 4229297, 12687891]

約数ペア:

[(1, 12687891), (3, 4229297), (59, 215049), (97, 130803), (177, 71683), (291, 43601), (739, 17169), (2217, 5723)]