13931967

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2161}}^1$

素因数の和:2478

約数の個数: 16

約数和(自身を含む): 21308672

約数和(自身を除く): 7376705

約数列:

[1, 3, 7, 21, 307, 921, 2149, 2161, 6447, 6483, 15127, 45381, 663427, 1990281, 4643989, 13931967]

約数ペア:

[(1, 13931967), (3, 4643989), (7, 1990281), (21, 663427), (307, 45381), (921, 15127), (2149, 6483), (2161, 6447)]