2688939

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 4288752

約数和(自身を除く): 1599813

約数列:

[1, 3, 9, 11, 33, 99, 157, 173, 471, 519, 1413, 1557, 1727, 1903, 5181, 5709, 15543, 17127, 27161, 81483, 244449, 298771, 896313, 2688939]

約数ペア:

[(1, 2688939), (3, 896313), (9, 298771), (11, 244449), (33, 81483), (99, 27161), (157, 17127), (173, 15543), (471, 5709), (519, 5181), (1413, 1903), (1557, 1727)]