81163887

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{881}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 128024064

約数和(自身を除く): 46860177

約数列:

[1, 3, 7, 21, 41, 107, 123, 287, 321, 749, 861, 881, 2247, 2643, 4387, 6167, 13161, 18501, 30709, 36121, 92127, 94267, 108363, 252847, 282801, 659869, 758541, 1979607, 3864947, 11594841, 27054629, 81163887]

約数ペア:

[(1, 81163887), (3, 27054629), (7, 11594841), (21, 3864947), (41, 1979607), (107, 758541), (123, 659869), (287, 282801), (321, 252847), (749, 108363), (861, 94267), (881, 92127), (2247, 36121), (2643, 30709), (4387, 18501), (6167, 13161)]