16687719

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4243}}^1$

素因数の和:4291

約数の個数: 24

約数和(自身を含む): 26482560

約数和(自身を除く): 9794841

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 4243, 12729, 38187, 80617, 97589, 241851, 292767, 725553, 878301, 1854191, 5562573, 16687719]

約数ペア:

[(1, 16687719), (3, 5562573), (9, 1854191), (19, 878301), (23, 725553), (57, 292767), (69, 241851), (171, 97589), (207, 80617), (437, 38187), (1311, 12729), (3933, 4243)]