4042521

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 6961920

約数和(自身を除く): 2919399

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 293, 511, 657, 879, 1533, 1971, 2051, 2637, 4599, 6153, 7911, 13797, 18459, 21389, 55377, 64167, 149723, 192501, 449169, 577503, 1347507, 4042521]

約数ペア:

[(1, 4042521), (3, 1347507), (7, 577503), (9, 449169), (21, 192501), (27, 149723), (63, 64167), (73, 55377), (189, 21389), (219, 18459), (293, 13797), (511, 7911), (657, 6153), (879, 4599), (1533, 2637), (1971, 2051)]