13887279

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1609}}^1$

素因数の和:1759

約数の個数: 24

約数和(自身を含む): 23106720

約数和(自身を除く): 9219441

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 1609, 2877, 4827, 8631, 11263, 14481, 33789, 101367, 220433, 661299, 1543031, 1983897, 4629093, 13887279]

約数ペア:

[(1, 13887279), (3, 4629093), (7, 1983897), (9, 1543031), (21, 661299), (63, 220433), (137, 101367), (411, 33789), (959, 14481), (1233, 11263), (1609, 8631), (2877, 4827)]