1287531

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 2156544

約数和(自身を除く): 869013

約数列:

[1, 3, 7, 9, 21, 63, 107, 191, 321, 573, 749, 963, 1337, 1719, 2247, 4011, 6741, 12033, 20437, 61311, 143059, 183933, 429177, 1287531]

約数ペア:

[(1, 1287531), (3, 429177), (7, 183933), (9, 143059), (21, 61311), (63, 20437), (107, 12033), (191, 6741), (321, 4011), (573, 2247), (749, 1719), (963, 1337)]