28242543

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{12569}}^1$

素因数の和:12686

約数の個数: 16

約数和(自身を含む): 43441920

約数和(自身を除く): 15199377

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 12569, 37707, 87983, 263949, 1344883, 4034649, 9414181, 28242543]

約数ペア:

[(1, 28242543), (3, 9414181), (7, 4034649), (21, 1344883), (107, 263949), (321, 87983), (749, 37707), (2247, 12569)]