13601721

素因数分解:

$3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{823}}^1$

素因数の和:1620

約数の個数: 16

約数和(自身を含む): 20777984

約数和(自身を除く): 7176263

約数列:

[1, 3, 7, 21, 787, 823, 2361, 2469, 5509, 5761, 16527, 17283, 647701, 1943103, 4533907, 13601721]

約数ペア:

[(1, 13601721), (3, 4533907), (7, 1943103), (21, 647701), (787, 17283), (823, 16527), (2361, 5761), (2469, 5509)]