25689069

素因数分解:

$3^4\times 7^1\times {\mathrm{45307}}^1$

素因数の和:45326

約数の個数: 20

約数和(自身を含む): 43858144

約数和(自身を除く): 18169075

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 45307, 135921, 317149, 407763, 951447, 1223289, 2854341, 3669867, 8563023, 25689069]

約数ペア:

[(1, 25689069), (3, 8563023), (7, 3669867), (9, 2854341), (21, 1223289), (27, 951447), (63, 407763), (81, 317149), (189, 135921), (567, 45307)]