1668121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 2145024

約数和(自身を除く): 476903

約数列:

[1, 7, 13, 23, 91, 161, 299, 797, 2093, 5579, 10361, 18331, 72527, 128317, 238303, 1668121]

約数ペア:

[(1, 1668121), (7, 238303), (13, 128317), (23, 72527), (91, 18331), (161, 10361), (299, 5579), (797, 2093)]