7537131

素因数分解:

$3^6\times 7^2\times {\mathrm{211}}^1$

素因数の和:243

約数の個数: 42

約数和(自身を含む): 13207812

約数和(自身を除く): 5670681

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 211, 243, 441, 567, 633, 729, 1323, 1477, 1701, 1899, 3969, 4431, 5103, 5697, 10339, 11907, 13293, 17091, 31017, 35721, 39879, 51273, 93051, 119637, 153819, 279153, 358911, 837459, 1076733, 2512377, 7537131]

約数ペア:

[(1, 7537131), (3, 2512377), (7, 1076733), (9, 837459), (21, 358911), (27, 279153), (49, 153819), (63, 119637), (81, 93051), (147, 51273), (189, 39879), (211, 35721), (243, 31017), (441, 17091), (567, 13293), (633, 11907), (729, 10339), (1323, 5697), (1477, 5103), (1701, 4431), (1899, 3969)]