201781437

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 321951168

約数和(自身を除く): 120169731

約数列:

[1, 3, 11, 13, 33, 39, 97, 143, 169, 291, 373, 429, 507, 1067, 1119, 1261, 1859, 3201, 3783, 4103, 4849, 5577, 12309, 13871, 14547, 16393, 36181, 41613, 49179, 53339, 63037, 108543, 160017, 180323, 189111, 397991, 470353, 540969, 693407, 1193973, 1411059, 2080221, 5173883, 6114589, 15521649, 18343767, 67260479, 201781437]

約数ペア:

[(1, 201781437), (3, 67260479), (11, 18343767), (13, 15521649), (33, 6114589), (39, 5173883), (97, 2080221), (143, 1411059), (169, 1193973), (291, 693407), (373, 540969), (429, 470353), (507, 397991), (1067, 189111), (1119, 180323), (1261, 160017), (1859, 108543), (3201, 63037), (3783, 53339), (4103, 49179), (4849, 41613), (5577, 36181), (12309, 16393), (13871, 14547)]