816239421

素因数分解:

$3^2\times {\mathrm{21817}}^1\times {\mathrm{4157}}^1$

素因数の和:25980

約数の個数: 12

約数和(自身を含む): 1179350172

約数和(自身を除く): 363110751

約数列:

[1, 3, 9, 4157, 12471, 21817, 37413, 65451, 196353, 90693269, 272079807, 816239421]

約数ペア:

[(1, 816239421), (3, 272079807), (9, 90693269), (4157, 196353), (12471, 65451), (21817, 37413)]