77980539

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{285643}}^1$

素因数の和:285666

約数の個数: 16

約数和(自身を含む): 127968512

約数和(自身を除く): 49987973

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 285643, 856929, 1999501, 3713359, 5998503, 11140077, 25993513, 77980539]

約数ペア:

[(1, 77980539), (3, 25993513), (7, 11140077), (13, 5998503), (21, 3713359), (39, 1999501), (91, 856929), (273, 285643)]