1389399

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 2052864

約数和(自身を除く): 663465

約数列:

[1, 3, 11, 33, 71, 213, 593, 781, 1779, 2343, 6523, 19569, 42103, 126309, 463133, 1389399]

約数ペア:

[(1, 1389399), (3, 463133), (11, 126309), (33, 42103), (71, 19569), (213, 6523), (593, 2343), (781, 1779)]