83783889

素因数分解:

$3^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1381}}^1$

素因数の和:1507

約数の個数: 40

約数和(自身を含む): 144479808

約数和(自身を除く): 60695919

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 321, 567, 749, 963, 1381, 2247, 2889, 4143, 6741, 8667, 9667, 12429, 20223, 29001, 37287, 60669, 87003, 111861, 147767, 261009, 443301, 783027, 1034369, 1329903, 3103107, 3989709, 9309321, 11969127, 27927963, 83783889]

約数ペア:

[(1, 83783889), (3, 27927963), (7, 11969127), (9, 9309321), (21, 3989709), (27, 3103107), (63, 1329903), (81, 1034369), (107, 783027), (189, 443301), (321, 261009), (567, 147767), (749, 111861), (963, 87003), (1381, 60669), (2247, 37287), (2889, 29001), (4143, 20223), (6741, 12429), (8667, 9667)]