11761281

素因数分解:

$3^4\times 7^1\times {\mathrm{20743}}^1$

素因数の和:20762

約数の個数: 20

約数和(自身を含む): 20080192

約数和(自身を除く): 8318911

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 20743, 62229, 145201, 186687, 435603, 560061, 1306809, 1680183, 3920427, 11761281]

約数ペア:

[(1, 11761281), (3, 3920427), (7, 1680183), (9, 1306809), (21, 560061), (27, 435603), (63, 186687), (81, 145201), (189, 62229), (567, 20743)]