78401967

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{12161}}^1$

素因数の和:12478

約数の個数: 16

約数和(自身を含む): 119868672

約数和(自身を除く): 41466705

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 12161, 36483, 85127, 255381, 3733427, 11200281, 26133989, 78401967]

約数ペア:

[(1, 78401967), (3, 26133989), (7, 11200281), (21, 3733427), (307, 255381), (921, 85127), (2149, 36483), (6447, 12161)]