12821809

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12809}}^1$

素因数の和:12840

約数の個数: 16

約数和(自身を含む): 17216640

約数和(自身を除く): 4394831

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 12809, 89663, 140899, 166517, 986293, 1165619, 1831687, 12821809]

約数ペア:

[(1, 12821809), (7, 1831687), (11, 1165619), (13, 986293), (77, 166517), (91, 140899), (143, 89663), (1001, 12809)]