12312891

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2141}}^1$

素因数の和:2224

約数の個数: 20

約数和(自身を含む): 18661104

約数和(自身を除く): 6348213

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 2141, 5751, 6423, 19269, 57807, 152011, 173421, 456033, 1368099, 4104297, 12312891]

約数ペア:

[(1, 12312891), (3, 4104297), (9, 1368099), (27, 456033), (71, 173421), (81, 152011), (213, 57807), (639, 19269), (1917, 6423), (2141, 5751)]