28387437

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 32

約数和(自身を含む): 42268800

約数和(自身を除く): 13881363

約数列:

[1, 3, 13, 39, 59, 73, 169, 177, 219, 507, 767, 949, 2197, 2301, 2847, 4307, 6591, 9971, 12337, 12921, 29913, 37011, 55991, 129623, 160381, 167973, 388869, 481143, 727883, 2183649, 9462479, 28387437]

約数ペア:

[(1, 28387437), (3, 9462479), (13, 2183649), (39, 727883), (59, 481143), (73, 388869), (169, 167973), (177, 160381), (219, 129623), (507, 55991), (767, 37011), (949, 29913), (2197, 12921), (2301, 12337), (2847, 9971), (4307, 6591)]