82172871

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 134534400

約数和(自身を除く): 52361529

約数列:

[1, 3, 9, 11, 33, 43, 97, 99, 129, 199, 291, 387, 473, 597, 873, 1067, 1419, 1791, 2189, 3201, 4171, 4257, 6567, 8557, 9603, 12513, 19303, 19701, 25671, 37539, 45881, 57909, 77013, 94127, 137643, 173727, 212333, 282381, 412929, 636999, 830029, 847143, 1910997, 2490087, 7470261, 9130319, 27390957, 82172871]

約数ペア:

[(1, 82172871), (3, 27390957), (9, 9130319), (11, 7470261), (33, 2490087), (43, 1910997), (97, 847143), (99, 830029), (129, 636999), (199, 412929), (291, 282381), (387, 212333), (473, 173727), (597, 137643), (873, 94127), (1067, 77013), (1419, 57909), (1791, 45881), (2189, 37539), (3201, 25671), (4171, 19701), (4257, 19303), (6567, 12513), (8557, 9603)]