75486681

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 125971200

約数和(自身を除く): 50484519

約数列:

[1, 3, 9, 17, 27, 29, 51, 53, 87, 107, 153, 159, 261, 321, 459, 477, 493, 783, 901, 963, 1431, 1479, 1537, 1819, 2703, 2889, 3103, 4437, 4611, 5457, 5671, 8109, 9309, 13311, 13833, 16371, 17013, 24327, 26129, 27927, 41499, 49113, 51039, 52751, 78387, 83781, 96407, 153117, 158253, 164459, 235161, 289221, 474759, 493377, 705483, 867663, 1424277, 1480131, 2602989, 2795803, 4440393, 8387409, 25162227, 75486681]

約数ペア:

[(1, 75486681), (3, 25162227), (9, 8387409), (17, 4440393), (27, 2795803), (29, 2602989), (51, 1480131), (53, 1424277), (87, 867663), (107, 705483), (153, 493377), (159, 474759), (261, 289221), (321, 235161), (459, 164459), (477, 158253), (493, 153117), (783, 96407), (901, 83781), (963, 78387), (1431, 52751), (1479, 51039), (1537, 49113), (1819, 41499), (2703, 27927), (2889, 26129), (3103, 24327), (4437, 17013), (4611, 16371), (5457, 13833), (5671, 13311), (8109, 9309)]