179551281

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1987}}^1$

素因数の和:2341

約数の個数: 32

約数和(自身を含む): 295687168

約数和(自身を除く): 116135887

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 331, 993, 1987, 2317, 4303, 5961, 6951, 12909, 13909, 25831, 30121, 41727, 77493, 90363, 180817, 542451, 657697, 1973091, 4603879, 8550061, 13811637, 25650183, 59850427, 179551281]

約数ペア:

[(1, 179551281), (3, 59850427), (7, 25650183), (13, 13811637), (21, 8550061), (39, 4603879), (91, 1973091), (273, 657697), (331, 542451), (993, 180817), (1987, 90363), (2317, 77493), (4303, 41727), (5961, 30121), (6951, 25831), (12909, 13909)]