13123943

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 15611904

約数和(自身を除く): 2487961

約数列:

[1, 7, 31, 197, 217, 307, 1379, 2149, 6107, 9517, 42749, 60479, 66619, 423353, 1874849, 13123943]

約数ペア:

[(1, 13123943), (7, 1874849), (31, 423353), (197, 66619), (217, 60479), (307, 42749), (1379, 9517), (2149, 6107)]