8138403

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 15258880

約数和(自身を除く): 7120477

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 523, 741, 819, 1197, 1569, 1729, 2223, 3661, 4707, 5187, 6799, 9937, 10983, 15561, 20397, 29811, 32949, 47593, 61191, 69559, 89433, 129181, 142779, 208677, 387543, 428337, 626031, 904267, 1162629, 2712801, 8138403]

約数ペア:

[(1, 8138403), (3, 2712801), (7, 1162629), (9, 904267), (13, 626031), (19, 428337), (21, 387543), (39, 208677), (57, 142779), (63, 129181), (91, 89433), (117, 69559), (133, 61191), (171, 47593), (247, 32949), (273, 29811), (399, 20397), (523, 15561), (741, 10983), (819, 9937), (1197, 6799), (1569, 5187), (1729, 4707), (2223, 3661)]