72655791

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 111444480

約数和(自身を除く): 38788689

約数列:

[1, 3, 13, 19, 39, 57, 71, 213, 247, 741, 923, 1349, 1381, 2769, 4047, 4143, 17537, 17953, 26239, 52611, 53859, 78717, 98051, 294153, 341107, 1023321, 1274663, 1862969, 3823989, 5588907, 24218597, 72655791]

約数ペア:

[(1, 72655791), (3, 24218597), (13, 5588907), (19, 3823989), (39, 1862969), (57, 1274663), (71, 1023321), (213, 341107), (247, 294153), (741, 98051), (923, 78717), (1349, 53859), (1381, 52611), (2769, 26239), (4047, 17953), (4143, 17537)]