13066781

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 16652664

約数和(自身を除く): 3585883

約数列:

[1, 7, 13, 49, 73, 91, 281, 511, 637, 949, 1967, 3577, 3653, 6643, 13769, 20513, 25571, 46501, 143591, 178997, 266669, 1005137, 1866683, 13066781]

約数ペア:

[(1, 13066781), (7, 1866683), (13, 1005137), (49, 266669), (73, 178997), (91, 143591), (281, 46501), (511, 25571), (637, 20513), (949, 13769), (1967, 6643), (3577, 3653)]