26791317

素因数分解:

$3^4\times 7^1\times {\mathrm{47251}}^1$

素因数の和:47270

約数の個数: 20

約数和(自身を含む): 45739936

約数和(自身を除く): 18948619

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 47251, 141753, 330757, 425259, 992271, 1275777, 2976813, 3827331, 8930439, 26791317]

約数ペア:

[(1, 26791317), (3, 8930439), (7, 3827331), (9, 2976813), (21, 1275777), (27, 992271), (63, 425259), (81, 330757), (189, 141753), (567, 47251)]