80540649

素因数分解:

$3^7\times 7^1\times {\mathrm{5261}}^1$

素因数の和:5289

約数の個数: 32

約数和(自身を含む): 138074880

約数和(自身を除く): 57534231

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 5103, 5261, 15309, 15783, 36827, 47349, 110481, 142047, 331443, 426141, 994329, 1278423, 2982987, 3835269, 8948961, 11505807, 26846883, 80540649]

約数ペア:

[(1, 80540649), (3, 26846883), (7, 11505807), (9, 8948961), (21, 3835269), (27, 2982987), (63, 1278423), (81, 994329), (189, 426141), (243, 331443), (567, 142047), (729, 110481), (1701, 47349), (2187, 36827), (5103, 15783), (5261, 15309)]