80345979

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 143078400

約数和(自身を除く): 62732421

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 107, 137, 189, 203, 261, 321, 411, 609, 749, 783, 959, 963, 1233, 1827, 2247, 2877, 2889, 3103, 3699, 3973, 5481, 6741, 8631, 9309, 11919, 14659, 20223, 21721, 25893, 27811, 27927, 35757, 43977, 65163, 83433, 83781, 102613, 107271, 131931, 195489, 250299, 307839, 395793, 425111, 586467, 750897, 923517, 1275333, 2770551, 2975777, 3825999, 8927331, 11477997, 26781993, 80345979]

約数ペア:

[(1, 80345979), (3, 26781993), (7, 11477997), (9, 8927331), (21, 3825999), (27, 2975777), (29, 2770551), (63, 1275333), (87, 923517), (107, 750897), (137, 586467), (189, 425111), (203, 395793), (261, 307839), (321, 250299), (411, 195489), (609, 131931), (749, 107271), (783, 102613), (959, 83781), (963, 83433), (1233, 65163), (1827, 43977), (2247, 35757), (2877, 27927), (2889, 27811), (3103, 25893), (3699, 21721), (3973, 20223), (5481, 14659), (6741, 11919), (8631, 9309)]