139571103

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{21649}}^1$

素因数の和:21966

約数の個数: 16

約数和(自身を含む): 213382400

約数和(自身を除く): 73811297

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 21649, 64947, 151543, 454629, 6646243, 19938729, 46523701, 139571103]

約数ペア:

[(1, 139571103), (3, 46523701), (7, 19938729), (21, 6646243), (307, 454629), (921, 151543), (2149, 64947), (6447, 21649)]