8120871

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 13497600

約数和(自身を除く): 5376729

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 739, 999, 1221, 2217, 3663, 6651, 8129, 10989, 19953, 24387, 27343, 73161, 82029, 219483, 246087, 300773, 738261, 902319, 2706957, 8120871]

約数ペア:

[(1, 8120871), (3, 2706957), (9, 902319), (11, 738261), (27, 300773), (33, 246087), (37, 219483), (99, 82029), (111, 73161), (297, 27343), (333, 24387), (407, 19953), (739, 10989), (999, 8129), (1221, 6651), (2217, 3663)]