212812131

素因数分解:

$3^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{11173}}^1$

素因数の和:12090

約数の個数: 16

約数和(自身を含む): 324671744

約数和(自身を除く): 111859613

約数列:

[1, 3, 7, 21, 907, 2721, 6349, 11173, 19047, 33519, 78211, 234633, 10133911, 30401733, 70937377, 212812131]

約数ペア:

[(1, 212812131), (3, 70937377), (7, 30401733), (21, 10133911), (907, 234633), (2721, 78211), (6349, 33519), (11173, 19047)]