1291567113

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:553

約数の個数: 56

約数和(自身を含む): 2019864000

約数和(自身を除く): 728296887

約数列:

[1, 3, 9, 27, 29, 81, 87, 199, 243, 261, 307, 597, 729, 783, 921, 1791, 2349, 2763, 5373, 5771, 7047, 8289, 8903, 16119, 17313, 21141, 24867, 26709, 48357, 51939, 61093, 74601, 80127, 145071, 155817, 183279, 223803, 240381, 467451, 549837, 721143, 1402353, 1649511, 1771697, 2163429, 4207059, 4948533, 5315091, 6490287, 14845599, 15945273, 44536797, 47835819, 143507457, 430522371, 1291567113]

約数ペア:

[(1, 1291567113), (3, 430522371), (9, 143507457), (27, 47835819), (29, 44536797), (81, 15945273), (87, 14845599), (199, 6490287), (243, 5315091), (261, 4948533), (307, 4207059), (597, 2163429), (729, 1771697), (783, 1649511), (921, 1402353), (1791, 721143), (2349, 549837), (2763, 467451), (5373, 240381), (5771, 223803), (7047, 183279), (8289, 155817), (8903, 145071), (16119, 80127), (17313, 74601), (21141, 61093), (24867, 51939), (26709, 48357)]