1871667

素因数分解:

$3^4\times 7^1\times {\mathrm{3301}}^1$

素因数の和:3320

約数の個数: 20

約数和(自身を含む): 3196336

約数和(自身を除く): 1324669

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3301, 9903, 23107, 29709, 69321, 89127, 207963, 267381, 623889, 1871667]

約数ペア:

[(1, 1871667), (3, 623889), (7, 267381), (9, 207963), (21, 89127), (27, 69321), (63, 29709), (81, 23107), (189, 9903), (567, 3301)]