207945309

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28513}}^1$

素因数の和:28557

約数の個数: 32

約数和(自身を含む): 344905344

約数和(自身を除く): 136960035

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 7293, 28513, 85539, 313643, 370669, 484721, 940929, 1112007, 1454163, 4077359, 5331931, 6301373, 12232077, 15995793, 18904119, 69315103, 207945309]

約数ペア:

[(1, 207945309), (3, 69315103), (11, 18904119), (13, 15995793), (17, 12232077), (33, 6301373), (39, 5331931), (51, 4077359), (143, 1454163), (187, 1112007), (221, 940929), (429, 484721), (561, 370669), (663, 313643), (2431, 85539), (7293, 28513)]