12666879

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 19149312

約数和(自身を除く): 6482433

約数列:

[1, 3, 9, 31, 83, 93, 249, 279, 547, 747, 1641, 2573, 4923, 7719, 16957, 23157, 45401, 50871, 136203, 152613, 408609, 1407431, 4222293, 12666879]

約数ペア:

[(1, 12666879), (3, 4222293), (9, 1407431), (31, 408609), (83, 152613), (93, 136203), (249, 50871), (279, 45401), (547, 23157), (747, 16957), (1641, 7719), (2573, 4923)]