12121375

素因数分解:

$5^3\times 7^2\times {\mathrm{1979}}^1$

素因数の和:2008

約数の個数: 24

約数和(自身を含む): 17606160

約数和(自身を除く): 5484785

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 875, 1225, 1979, 6125, 9895, 13853, 49475, 69265, 96971, 247375, 346325, 484855, 1731625, 2424275, 12121375]

約数ペア:

[(1, 12121375), (5, 2424275), (7, 1731625), (25, 484855), (35, 346325), (49, 247375), (125, 96971), (175, 69265), (245, 49475), (875, 13853), (1225, 9895), (1979, 6125)]