25117857

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 60

約数和(自身を含む): 42347580

約数和(自身を除く): 17229723

約数列:

[1, 3, 9, 17, 27, 29, 37, 51, 81, 87, 111, 153, 261, 289, 333, 459, 493, 629, 783, 867, 999, 1073, 1377, 1479, 1887, 2349, 2601, 2997, 3219, 4437, 5661, 7803, 8381, 9657, 10693, 13311, 16983, 18241, 23409, 25143, 28971, 32079, 39933, 50949, 54723, 75429, 86913, 96237, 164169, 226287, 288711, 310097, 492507, 678861, 866133, 930291, 1477521, 2790873, 8372619, 25117857]

約数ペア:

[(1, 25117857), (3, 8372619), (9, 2790873), (17, 1477521), (27, 930291), (29, 866133), (37, 678861), (51, 492507), (81, 310097), (87, 288711), (111, 226287), (153, 164169), (261, 96237), (289, 86913), (333, 75429), (459, 54723), (493, 50949), (629, 39933), (783, 32079), (867, 28971), (999, 25143), (1073, 23409), (1377, 18241), (1479, 16983), (1887, 13311), (2349, 10693), (2601, 9657), (2997, 8381), (3219, 7803), (4437, 5661)]