207921009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{467}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 299220480

約数和(自身を除く): 91299471

約数列:

[1, 3, 19, 57, 73, 107, 219, 321, 467, 1387, 1401, 2033, 4161, 6099, 7811, 8873, 23433, 26619, 34091, 49969, 102273, 148409, 149907, 445227, 647729, 949411, 1943187, 2848233, 3647737, 10943211, 69307003, 207921009]

約数ペア:

[(1, 207921009), (3, 69307003), (19, 10943211), (57, 3647737), (73, 2848233), (107, 1943187), (219, 949411), (321, 647729), (467, 445227), (1387, 149907), (1401, 148409), (2033, 102273), (4161, 49969), (6099, 34091), (7811, 26619), (8873, 23433)]