25878447

素因数分解:

$3^4\times 7^1\times {\mathrm{45641}}^1$

素因数の和:45660

約数の個数: 20

約数和(自身を含む): 44181456

約数和(自身を除く): 18303009

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 45641, 136923, 319487, 410769, 958461, 1232307, 2875383, 3696921, 8626149, 25878447]

約数ペア:

[(1, 25878447), (3, 8626149), (7, 3696921), (9, 2875383), (21, 1232307), (27, 958461), (63, 410769), (81, 319487), (189, 136923), (567, 45641)]