275174991

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{997}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 491143744

約数和(自身を除く): 215968753

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 337, 819, 997, 1011, 2359, 2991, 3033, 4381, 6979, 7077, 8973, 12961, 13143, 20937, 21231, 30667, 38883, 39429, 62811, 90727, 92001, 116649, 272181, 276003, 335989, 816543, 1007967, 2351923, 3023901, 4367857, 7055769, 13103571, 21167307, 30574999, 39310713, 91724997, 275174991]

約数ペア:

[(1, 275174991), (3, 91724997), (7, 39310713), (9, 30574999), (13, 21167307), (21, 13103571), (39, 7055769), (63, 4367857), (91, 3023901), (117, 2351923), (273, 1007967), (337, 816543), (819, 335989), (997, 276003), (1011, 272181), (2359, 116649), (2991, 92001), (3033, 90727), (4381, 62811), (6979, 39429), (7077, 38883), (8973, 30667), (12961, 21231), (13143, 20937)]