1906989

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1360

約数の個数: 16

約数和(自身を含む): 2949120

約数和(自身を除く): 1042131

約数列:

[1, 3, 7, 21, 71, 213, 497, 1279, 1491, 3837, 8953, 26859, 90809, 272427, 635663, 1906989]

約数ペア:

[(1, 1906989), (3, 635663), (7, 272427), (21, 90809), (71, 26859), (213, 8953), (497, 3837), (1279, 1491)]