27561821

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:1004

約数の個数: 16

約数和(自身を含む): 32762880

約数和(自身を除く): 5201059

約数列:

[1, 7, 31, 157, 217, 809, 1099, 4867, 5663, 25079, 34069, 127013, 175553, 889091, 3937403, 27561821]

約数ペア:

[(1, 27561821), (7, 3937403), (31, 889091), (157, 175553), (217, 127013), (809, 34069), (1099, 25079), (4867, 5663)]