3966991

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{4261}}^1$

素因数の和:4294

約数の個数: 12

約数和(自身を含む): 4858680

約数和(自身を除く): 891689

約数列:

[1, 7, 19, 49, 133, 931, 4261, 29827, 80959, 208789, 566713, 3966991]

約数ペア:

[(1, 3966991), (7, 566713), (19, 208789), (49, 80959), (133, 29827), (931, 4261)]