7987161

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1721}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 13886208

約数和(自身を除く): 5899047

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 1721, 4641, 5163, 12047, 22373, 29257, 36141, 67119, 87771, 156611, 204799, 380341, 469833, 614397, 1141023, 2662387, 7987161]

約数ペア:

[(1, 7987161), (3, 2662387), (7, 1141023), (13, 614397), (17, 469833), (21, 380341), (39, 204799), (51, 156611), (91, 87771), (119, 67119), (221, 36141), (273, 29257), (357, 22373), (663, 12047), (1547, 5163), (1721, 4641)]