12987777

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{967}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 19569088

約数和(自身を除く): 6581311

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 967, 1221, 2901, 4477, 10637, 13431, 31911, 35779, 107337, 117007, 351021, 393569, 1180707, 4329259, 12987777]

約数ペア:

[(1, 12987777), (3, 4329259), (11, 1180707), (33, 393569), (37, 351021), (111, 117007), (121, 107337), (363, 35779), (407, 31911), (967, 13431), (1221, 10637), (2901, 4477)]