12257007

素因数分解:

$3^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 19152000

約数和(自身を除く): 6894993

約数列:

[1, 3, 7, 21, 49, 147, 199, 419, 597, 1257, 1393, 2933, 4179, 8799, 9751, 20531, 29253, 61593, 83381, 250143, 583667, 1751001, 4085669, 12257007]

約数ペア:

[(1, 12257007), (3, 4085669), (7, 1751001), (21, 583667), (49, 250143), (147, 83381), (199, 61593), (419, 29253), (597, 20531), (1257, 9751), (1393, 8799), (2933, 4179)]