81052881

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{881}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 133555968

約数和(自身を除く): 52503087

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 337, 881, 1011, 2359, 2643, 4381, 6167, 7077, 11453, 13143, 18501, 30667, 34359, 80171, 92001, 240513, 296897, 890691, 2078279, 3859661, 6234837, 11578983, 27017627, 81052881]

約数ペア:

[(1, 81052881), (3, 27017627), (7, 11578983), (13, 6234837), (21, 3859661), (39, 2078279), (91, 890691), (273, 296897), (337, 240513), (881, 92001), (1011, 80171), (2359, 34359), (2643, 30667), (4381, 18501), (6167, 13143), (7077, 11453)]