80780187

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{2381}}^1$

素因数の和:2690

約数の個数: 16

約数和(自身を含む): 110677248

約数和(自身を除く): 29897061

約数列:

[1, 3, 43, 129, 263, 789, 2381, 7143, 11309, 33927, 102383, 307149, 626203, 1878609, 26926729, 80780187]

約数ペア:

[(1, 80780187), (3, 26926729), (43, 1878609), (129, 626203), (263, 307149), (789, 102383), (2381, 33927), (7143, 11309)]