25235721

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3889}}^1$

素因数の和:4005

約数の個数: 24

約数和(自身を含む): 42074240

約数和(自身を除く): 16838519

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 3889, 6489, 11667, 27223, 35001, 81669, 245007, 400567, 1201701, 2803969, 3605103, 8411907, 25235721]

約数ペア:

[(1, 25235721), (3, 8411907), (7, 3605103), (9, 2803969), (21, 1201701), (63, 400567), (103, 245007), (309, 81669), (721, 35001), (927, 27223), (2163, 11667), (3889, 6489)]