117638619

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 182353920

約数和(自身を除く): 64715301

約数列:

[1, 3, 7, 21, 139, 191, 211, 417, 573, 633, 973, 1337, 1477, 2919, 4011, 4431, 26549, 29329, 40301, 79647, 87987, 120903, 185843, 205303, 282107, 557529, 615909, 846321, 5601839, 16805517, 39212873, 117638619]

約数ペア:

[(1, 117638619), (3, 39212873), (7, 16805517), (21, 5601839), (139, 846321), (191, 615909), (211, 557529), (417, 282107), (573, 205303), (633, 185843), (973, 120903), (1337, 87987), (1477, 79647), (2919, 40301), (4011, 29329), (4431, 26549)]