128575293

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2797}}^1$

素因数の和:3017

約数の個数: 32

約数和(自身を含む): 214886400

約数和(自身を除く): 86311107

約数列:

[1, 3, 7, 11, 21, 33, 77, 199, 231, 597, 1393, 2189, 2797, 4179, 6567, 8391, 15323, 19579, 30767, 45969, 58737, 92301, 215369, 556603, 646107, 1669809, 3896221, 6122633, 11688663, 18367899, 42858431, 128575293]

約数ペア:

[(1, 128575293), (3, 42858431), (7, 18367899), (11, 11688663), (21, 6122633), (33, 3896221), (77, 1669809), (199, 646107), (231, 556603), (597, 215369), (1393, 92301), (2189, 58737), (2797, 45969), (4179, 30767), (6567, 19579), (8391, 15323)]