25211907

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2011}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 41849600

約数和(自身を除く): 16637693

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 2011, 4179, 6033, 12537, 14077, 18099, 42231, 126693, 400189, 1200567, 2801323, 3601701, 8403969, 25211907]

約数ペア:

[(1, 25211907), (3, 8403969), (7, 3601701), (9, 2801323), (21, 1200567), (63, 400189), (199, 126693), (597, 42231), (1393, 18099), (1791, 14077), (2011, 12537), (4179, 6033)]