247817133

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{5639}}^1$

素因数の和:5921

約数の個数: 24

約数和(自身を含む): 378331200

約数和(自身を除く): 130514067

約数列:

[1, 3, 9, 19, 57, 171, 257, 771, 2313, 4883, 5639, 14649, 16917, 43947, 50751, 107141, 321423, 964269, 1449223, 4347669, 13043007, 27535237, 82605711, 247817133]

約数ペア:

[(1, 247817133), (3, 82605711), (9, 27535237), (19, 13043007), (57, 4347669), (171, 1449223), (257, 964269), (771, 321423), (2313, 107141), (4883, 50751), (5639, 43947), (14649, 16917)]