15217993

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3691}}^1$

素因数の和:3748

約数の個数: 16

約数和(自身を含む): 18903040

約数和(自身を除く): 3685047

約数列:

[1, 7, 19, 31, 133, 217, 589, 3691, 4123, 25837, 70129, 114421, 490903, 800947, 2173999, 15217993]

約数ペア:

[(1, 15217993), (7, 2173999), (19, 800947), (31, 490903), (133, 114421), (217, 70129), (589, 25837), (3691, 4123)]