15820791

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{113}}^2$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 24735360

約数和(自身を除く): 8914569

約数列:

[1, 3, 7, 21, 59, 113, 177, 339, 413, 791, 1239, 2373, 6667, 12769, 20001, 38307, 46669, 89383, 140007, 268149, 753371, 2260113, 5273597, 15820791]

約数ペア:

[(1, 15820791), (3, 5273597), (7, 2260113), (21, 753371), (59, 268149), (113, 140007), (177, 89383), (339, 46669), (413, 38307), (791, 20001), (1239, 12769), (2373, 6667)]