2983981

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 4051712

約数和(自身を除く): 1067731

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 271, 847, 1001, 1573, 1897, 2981, 3523, 11011, 20867, 24661, 32791, 38753, 229537, 271271, 426283, 2983981]

約数ペア:

[(1, 2983981), (7, 426283), (11, 271271), (13, 229537), (77, 38753), (91, 32791), (121, 24661), (143, 20867), (271, 11011), (847, 3523), (1001, 2981), (1573, 1897)]