25087923

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20959}}^1$

素因数の和:20991

約数の個数: 24

約数和(自身を含む): 43596800

約数和(自身を除く): 18508877

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 20959, 62877, 146713, 188631, 398221, 440139, 1194663, 1320417, 2787547, 3583989, 8362641, 25087923]

約数ペア:

[(1, 25087923), (3, 8362641), (7, 3583989), (9, 2787547), (19, 1320417), (21, 1194663), (57, 440139), (63, 398221), (133, 188631), (171, 146713), (399, 62877), (1197, 20959)]