25757361

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3821}}^1$

素因数の和:3941

約数の個数: 24

約数和(自身を含む): 42928704

約数和(自身を除く): 17171343

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 3821, 6741, 11463, 26747, 34389, 80241, 240723, 408847, 1226541, 2861929, 3679623, 8585787, 25757361]

約数ペア:

[(1, 25757361), (3, 8585787), (7, 3679623), (9, 2861929), (21, 1226541), (63, 408847), (107, 240723), (321, 80241), (749, 34389), (963, 26747), (2247, 11463), (3821, 6741)]