1680189

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4211}}^1$

素因数の和:4240

約数の個数: 16

約数和(自身を含む): 2695680

約数和(自身を除く): 1015491

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 4211, 12633, 29477, 80009, 88431, 240027, 560063, 1680189]

約数ペア:

[(1, 1680189), (3, 560063), (7, 240027), (19, 88431), (21, 80009), (57, 29477), (133, 12633), (399, 4211)]