208259271

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 54

約数和(自身を含む): 343379400

約数和(自身を除く): 135120129

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 121, 199, 279, 341, 363, 597, 961, 1023, 1089, 1791, 2189, 2883, 3069, 3751, 6169, 6567, 8649, 10571, 11253, 18507, 19701, 24079, 31713, 33759, 55521, 67859, 72237, 95139, 116281, 191239, 203577, 216711, 348843, 573717, 610731, 746449, 1046529, 1721151, 2103629, 2239347, 6310887, 6718041, 18932661, 23139919, 69419757, 208259271]

約数ペア:

[(1, 208259271), (3, 69419757), (9, 23139919), (11, 18932661), (31, 6718041), (33, 6310887), (93, 2239347), (99, 2103629), (121, 1721151), (199, 1046529), (279, 746449), (341, 610731), (363, 573717), (597, 348843), (961, 216711), (1023, 203577), (1089, 191239), (1791, 116281), (2189, 95139), (2883, 72237), (3069, 67859), (3751, 55521), (6169, 33759), (6567, 31713), (8649, 24079), (10571, 19701), (11253, 18507)]