205452009

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1663}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 355110912

約数和(自身を除く): 149658903

約数列:

[1, 3, 7, 9, 21, 37, 53, 63, 111, 159, 259, 333, 371, 477, 777, 1113, 1663, 1961, 2331, 3339, 4989, 5883, 11641, 13727, 14967, 17649, 34923, 41181, 61531, 88139, 104769, 123543, 184593, 264417, 430717, 553779, 616973, 793251, 1292151, 1850919, 3261143, 3876453, 5552757, 9783429, 22828001, 29350287, 68484003, 205452009]

約数ペア:

[(1, 205452009), (3, 68484003), (7, 29350287), (9, 22828001), (21, 9783429), (37, 5552757), (53, 3876453), (63, 3261143), (111, 1850919), (159, 1292151), (259, 793251), (333, 616973), (371, 553779), (477, 430717), (777, 264417), (1113, 184593), (1663, 123543), (1961, 104769), (2331, 88139), (3339, 61531), (4989, 41181), (5883, 34923), (11641, 17649), (13727, 14967)]