2784309

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 4085760

約数和(自身を除く): 1301451

約数列:

[1, 3, 11, 33, 139, 417, 607, 1529, 1821, 4587, 6677, 20031, 84373, 253119, 928103, 2784309]

約数ペア:

[(1, 2784309), (3, 928103), (11, 253119), (33, 84373), (139, 20031), (417, 6677), (607, 4587), (1529, 1821)]