28901367

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 47625600

約数和(自身を除く): 18724233

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 163, 199, 297, 489, 597, 891, 1467, 1791, 1793, 2189, 4401, 5373, 5379, 6567, 13203, 16119, 16137, 19701, 32437, 48411, 59103, 97311, 145233, 177309, 291933, 356807, 875799, 1070421, 2627397, 3211263, 9633789, 28901367]

約数ペア:

[(1, 28901367), (3, 9633789), (9, 3211263), (11, 2627397), (27, 1070421), (33, 875799), (81, 356807), (99, 291933), (163, 177309), (199, 145233), (297, 97311), (489, 59103), (597, 48411), (891, 32437), (1467, 19701), (1791, 16137), (1793, 16119), (2189, 13203), (4401, 6567), (5373, 5379)]