81183789

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:184

約数の個数: 80

約数和(自身を含む): 141134400

約数和(自身を除く): 59950611

約数列:

[1, 3, 9, 17, 19, 27, 29, 51, 57, 81, 87, 107, 153, 171, 261, 321, 323, 459, 493, 513, 551, 783, 963, 969, 1377, 1479, 1539, 1653, 1819, 2033, 2349, 2889, 2907, 3103, 4437, 4959, 5457, 6099, 8667, 8721, 9309, 9367, 13311, 14877, 16371, 18297, 26163, 27927, 28101, 34561, 39933, 44631, 49113, 52751, 54891, 58957, 83781, 84303, 103683, 147339, 158253, 164673, 176871, 251343, 252909, 311049, 474759, 530613, 758727, 933147, 1002269, 1424277, 1591839, 2799441, 3006807, 4272831, 4775517, 9020421, 27061263, 81183789]

約数ペア:

[(1, 81183789), (3, 27061263), (9, 9020421), (17, 4775517), (19, 4272831), (27, 3006807), (29, 2799441), (51, 1591839), (57, 1424277), (81, 1002269), (87, 933147), (107, 758727), (153, 530613), (171, 474759), (261, 311049), (321, 252909), (323, 251343), (459, 176871), (493, 164673), (513, 158253), (551, 147339), (783, 103683), (963, 84303), (969, 83781), (1377, 58957), (1479, 54891), (1539, 52751), (1653, 49113), (1819, 44631), (2033, 39933), (2349, 34561), (2889, 28101), (2907, 27927), (3103, 26163), (4437, 18297), (4959, 16371), (5457, 14877), (6099, 13311), (8667, 9367), (8721, 9309)]