8271669

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20731}}^1$

素因数の和:20760

約数の個数: 16

約数和(自身を含む): 13268480

約数和(自身を除く): 4996811

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 20731, 62193, 145117, 393889, 435351, 1181667, 2757223, 8271669]

約数ペア:

[(1, 8271669), (3, 2757223), (7, 1181667), (19, 435351), (21, 393889), (57, 145117), (133, 62193), (399, 20731)]