25912971

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{977}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 42922464

約数和(自身を除く): 17009493

約数列:

[1, 3, 7, 9, 21, 63, 421, 977, 1263, 2931, 2947, 3789, 6839, 8793, 8841, 20517, 26523, 61551, 411317, 1233951, 2879219, 3701853, 8637657, 25912971]

約数ペア:

[(1, 25912971), (3, 8637657), (7, 3701853), (9, 2879219), (21, 1233951), (63, 411317), (421, 61551), (977, 26523), (1263, 20517), (2931, 8841), (2947, 8793), (3789, 6839)]