2643339

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 3728384

約数和(自身を除く): 1085045

約数列:

[1, 3, 31, 43, 93, 129, 661, 1333, 1983, 3999, 20491, 28423, 61473, 85269, 881113, 2643339]

約数ペア:

[(1, 2643339), (3, 881113), (31, 85269), (43, 61473), (93, 28423), (129, 20491), (661, 3999), (1333, 1983)]