28056147

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 44826624

約数和(自身を除く): 16770477

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 497, 607, 651, 1491, 1821, 2201, 4249, 6603, 12747, 15407, 18817, 43097, 46221, 56451, 129291, 131719, 301679, 395157, 905037, 1336007, 4008021, 9352049, 28056147]

約数ペア:

[(1, 28056147), (3, 9352049), (7, 4008021), (21, 1336007), (31, 905037), (71, 395157), (93, 301679), (213, 131719), (217, 129291), (497, 56451), (607, 46221), (651, 43097), (1491, 18817), (1821, 15407), (2201, 12747), (4249, 6603)]