25320519

素因数分解:

$3^4\times 7^1\times {\mathrm{44657}}^1$

素因数の和:44676

約数の個数: 20

約数和(自身を含む): 43228944

約数和(自身を除く): 17908425

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 44657, 133971, 312599, 401913, 937797, 1205739, 2813391, 3617217, 8440173, 25320519]

約数ペア:

[(1, 25320519), (3, 8440173), (7, 3617217), (9, 2813391), (21, 1205739), (27, 937797), (63, 401913), (81, 312599), (189, 133971), (567, 44657)]