247247

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:63

約数の個数: 24

約数和(自身を含む): 351360

約数和(自身を除く): 104113

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 169, 209, 247, 1001, 1183, 1463, 1729, 1859, 2717, 3211, 13013, 19019, 22477, 35321, 247247]

約数ペア:

[(1, 247247), (7, 35321), (11, 22477), (13, 19019), (19, 13013), (77, 3211), (91, 2717), (133, 1859), (143, 1729), (169, 1463), (209, 1183), (247, 1001)]