25518969

素因数分解:

$3^4\times 7^1\times {\mathrm{45007}}^1$

素因数の和:45026

約数の個数: 20

約数和(自身を含む): 43567744

約数和(自身を除く): 18048775

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 45007, 135021, 315049, 405063, 945147, 1215189, 2835441, 3645567, 8506323, 25518969]

約数ペア:

[(1, 25518969), (3, 8506323), (7, 3645567), (9, 2835441), (21, 1215189), (27, 945147), (63, 405063), (81, 315049), (189, 135021), (567, 45007)]