1338156921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{240719}}^1$

素因数の和:240848

約数の個数: 16

約数和(自身を含む): 1906502400

約数和(自身を除く): 568345479

約数列:

[1, 3, 17, 51, 109, 327, 1853, 5559, 240719, 722157, 4092223, 12276669, 26238371, 78715113, 446052307, 1338156921]

約数ペア:

[(1, 1338156921), (3, 446052307), (17, 78715113), (51, 26238371), (109, 12276669), (327, 4092223), (1853, 722157), (5559, 240719)]