25194969

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:161

約数の個数: 56

約数和(自身を含む): 42495840

約数和(自身を除く): 17300871

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 107, 153, 171, 243, 321, 323, 459, 513, 729, 963, 969, 1377, 1539, 1819, 2033, 2889, 2907, 4131, 4617, 5457, 6099, 8667, 8721, 12393, 13851, 16371, 18297, 26001, 26163, 34561, 49113, 54891, 78003, 78489, 103683, 147339, 164673, 235467, 311049, 442017, 494019, 933147, 1326051, 1482057, 2799441, 8398323, 25194969]

約数ペア:

[(1, 25194969), (3, 8398323), (9, 2799441), (17, 1482057), (19, 1326051), (27, 933147), (51, 494019), (57, 442017), (81, 311049), (107, 235467), (153, 164673), (171, 147339), (243, 103683), (321, 78489), (323, 78003), (459, 54891), (513, 49113), (729, 34561), (963, 26163), (969, 26001), (1377, 18297), (1539, 16371), (1819, 13851), (2033, 12393), (2889, 8721), (2907, 8667), (4131, 6099), (4617, 5457)]