1180221

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1360

約数の個数: 16

約数和(自身を含む): 1841664

約数和(自身を除く): 661443

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1307, 3921, 9149, 27447, 56201, 168603, 393407, 1180221]

約数ペア:

[(1, 1180221), (3, 393407), (7, 168603), (21, 56201), (43, 27447), (129, 9149), (301, 3921), (903, 1307)]