12990138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{309289}}^1$

素因数の和:309301

約数の個数: 16

約数和(自身を含む): 29691840

約数和(自身を除く): 16701702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 309289, 618578, 927867, 1855734, 2165023, 4330046, 6495069, 12990138]

約数ペア:

[(1, 12990138), (2, 6495069), (3, 4330046), (6, 2165023), (7, 1855734), (14, 927867), (21, 618578), (42, 309289)]