2997421

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 3727360

約数和(自身を除く): 729939

約数列:

[1, 7, 19, 31, 133, 217, 589, 727, 4123, 5089, 13813, 22537, 96691, 157759, 428203, 2997421]

約数ペア:

[(1, 2997421), (7, 428203), (19, 157759), (31, 96691), (133, 22537), (217, 13813), (589, 5089), (727, 4123)]