1387287

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{173}}^1$

素因数の和:202

約数の個数: 28

約数和(自身を含む): 2282184

約数和(自身を除く): 894897

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 173, 243, 297, 519, 729, 891, 1557, 1903, 2673, 4671, 5709, 8019, 14013, 17127, 42039, 51381, 126117, 154143, 462429, 1387287]

約数ペア:

[(1, 1387287), (3, 462429), (9, 154143), (11, 126117), (27, 51381), (33, 42039), (81, 17127), (99, 14013), (173, 8019), (243, 5709), (297, 4671), (519, 2673), (729, 1903), (891, 1557)]