39780909

素因数分解:

$3^3\times 7^1\times {\mathrm{210481}}^1$

素因数の和:210497

約数の個数: 16

約数和(自身を含む): 67354240

約数和(自身を除く): 27573331

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 210481, 631443, 1473367, 1894329, 4420101, 5682987, 13260303, 39780909]

約数ペア:

[(1, 39780909), (3, 13260303), (7, 5682987), (9, 4420101), (21, 1894329), (27, 1473367), (63, 631443), (189, 210481)]