81821151

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1259}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 127008000

約数和(自身を除く): 45186849

約数列:

[1, 3, 9, 27, 29, 83, 87, 249, 261, 747, 783, 1259, 2241, 2407, 3777, 7221, 11331, 21663, 33993, 36511, 64989, 104497, 109533, 313491, 328599, 940473, 985797, 2821419, 3030413, 9091239, 27273717, 81821151]

約数ペア:

[(1, 81821151), (3, 27273717), (9, 9091239), (27, 3030413), (29, 2821419), (83, 985797), (87, 940473), (249, 328599), (261, 313491), (747, 109533), (783, 104497), (1259, 64989), (2241, 36511), (2407, 33993), (3777, 21663), (7221, 11331)]