131481063

素因数分解:

$3^4\times 7^2\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:394

約数の個数: 60

約数和(自身を含む): 231021912

約数和(自身を除く): 99540849

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 157, 189, 211, 441, 471, 567, 633, 1099, 1323, 1413, 1477, 1899, 3297, 3969, 4239, 4431, 5697, 7693, 9891, 10339, 12717, 13293, 17091, 23079, 29673, 31017, 33127, 39879, 69237, 89019, 93051, 99381, 119637, 207711, 231889, 279153, 298143, 623133, 695667, 837459, 894429, 1623223, 2087001, 2683287, 4869669, 6261003, 14609007, 18783009, 43827021, 131481063]

約数ペア:

[(1, 131481063), (3, 43827021), (7, 18783009), (9, 14609007), (21, 6261003), (27, 4869669), (49, 2683287), (63, 2087001), (81, 1623223), (147, 894429), (157, 837459), (189, 695667), (211, 623133), (441, 298143), (471, 279153), (567, 231889), (633, 207711), (1099, 119637), (1323, 99381), (1413, 93051), (1477, 89019), (1899, 69237), (3297, 39879), (3969, 33127), (4239, 31017), (4431, 29673), (5697, 23079), (7693, 17091), (9891, 13293), (10339, 12717)]