79856721

素因数分解:

$3^2\times 7^2\times {\mathrm{181081}}^1$

素因数の和:181101

約数の個数: 18

約数和(自身を含む): 134181762

約数和(自身を除く): 54325041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 181081, 543243, 1267567, 1629729, 3802701, 8872969, 11408103, 26618907, 79856721]

約数ペア:

[(1, 79856721), (3, 26618907), (7, 11408103), (9, 8872969), (21, 3802701), (49, 1629729), (63, 1267567), (147, 543243), (441, 181081)]