191991039

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1\times {\mathrm{1907}}^1$

素因数の和:2854

約数の個数: 16

約数和(自身を含む): 263334528

約数和(自身を除く): 71343489

約数列:

[1, 3, 37, 111, 907, 1907, 2721, 5721, 33559, 70559, 100677, 211677, 1729649, 5188947, 63997013, 191991039]

約数ペア:

[(1, 191991039), (3, 63997013), (37, 5188947), (111, 1729649), (907, 211677), (1907, 100677), (2721, 70559), (5721, 33559)]