25697889

素因数分解:

$3^2\times 7^1\times {\mathrm{463}}^1\times {\mathrm{881}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 42561792

約数和(自身を除く): 16863903

約数列:

[1, 3, 7, 9, 21, 63, 463, 881, 1389, 2643, 3241, 4167, 6167, 7929, 9723, 18501, 29169, 55503, 407903, 1223709, 2855321, 3671127, 8565963, 25697889]

約数ペア:

[(1, 25697889), (3, 8565963), (7, 3671127), (9, 2855321), (21, 1223709), (63, 407903), (463, 55503), (881, 29169), (1389, 18501), (2643, 9723), (3241, 7929), (4167, 6167)]