211097621

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{1061}}^1$

素因数の和:1772

約数の個数: 16

約数和(自身を含む): 247471488

約数和(自身を除く): 36373867

約数列:

[1, 7, 43, 301, 661, 1061, 4627, 7427, 28423, 45623, 198961, 319361, 701321, 4909247, 30156803, 211097621]

約数ペア:

[(1, 211097621), (7, 30156803), (43, 4909247), (301, 701321), (661, 319361), (1061, 198961), (4627, 45623), (7427, 28423)]