15388317

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5197}}^1$

素因数の和:5257

約数の個数: 24

約数和(自身を含む): 25948416

約数和(自身を除く): 10560099

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 5197, 15591, 36379, 46773, 109137, 244259, 327411, 732777, 1709813, 2198331, 5129439, 15388317]

約数ペア:

[(1, 15388317), (3, 5129439), (7, 2198331), (9, 1709813), (21, 732777), (47, 327411), (63, 244259), (141, 109137), (329, 46773), (423, 36379), (987, 15591), (2961, 5197)]