2564595

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 5043360

約数和(自身を除く): 2478765

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 121, 135, 157, 165, 297, 363, 471, 495, 605, 785, 1089, 1413, 1485, 1727, 1815, 2355, 3267, 4239, 5181, 5445, 7065, 8635, 15543, 16335, 18997, 21195, 25905, 46629, 56991, 77715, 94985, 170973, 233145, 284955, 512919, 854865, 2564595]

約数ペア:

[(1, 2564595), (3, 854865), (5, 512919), (9, 284955), (11, 233145), (15, 170973), (27, 94985), (33, 77715), (45, 56991), (55, 46629), (99, 25905), (121, 21195), (135, 18997), (157, 16335), (165, 15543), (297, 8635), (363, 7065), (471, 5445), (495, 5181), (605, 4239), (785, 3267), (1089, 2355), (1413, 1815), (1485, 1727)]