25287129

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2017}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 41974400

約数和(自身を除く): 16687271

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 2017, 4179, 6051, 12537, 14119, 18153, 42357, 127071, 401383, 1204149, 2809681, 3612447, 8429043, 25287129]

約数ペア:

[(1, 25287129), (3, 8429043), (7, 3612447), (9, 2809681), (21, 1204149), (63, 401383), (199, 127071), (597, 42357), (1393, 18153), (1791, 14119), (2017, 12537), (4179, 6051)]