1281967791

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{4129}}^1$

素因数の和:4583

約数の個数: 32

約数和(自身を含む): 1942752000

約数和(自身を除く): 660784209

約数列:

[1, 3, 13, 19, 39, 57, 247, 419, 741, 1257, 4129, 5447, 7961, 12387, 16341, 23883, 53677, 78451, 103493, 161031, 235353, 310479, 1019863, 1730051, 3059589, 5190153, 22490663, 32870969, 67471989, 98612907, 427322597, 1281967791]

約数ペア:

[(1, 1281967791), (3, 427322597), (13, 98612907), (19, 67471989), (39, 32870969), (57, 22490663), (247, 5190153), (419, 3059589), (741, 1730051), (1257, 1019863), (4129, 310479), (5447, 235353), (7961, 161031), (12387, 103493), (16341, 78451), (23883, 53677)]