2011639287

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{318247}}^1$

素因数の和:318307

約数の個数: 24

約数和(自身を含む): 3192663936

約数和(自身を除く): 1181024649

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 318247, 954741, 2227729, 6683187, 13684621, 15594103, 41053863, 46782309, 95792347, 287377041, 670546429, 2011639287]

約数ペア:

[(1, 2011639287), (3, 670546429), (7, 287377041), (21, 95792347), (43, 46782309), (49, 41053863), (129, 15594103), (147, 13684621), (301, 6683187), (903, 2227729), (2107, 954741), (6321, 318247)]