266042511

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{5857}}^1$

素因数の和:5980

約数の個数: 36

約数和(自身を含む): 451440912

約数和(自身を除く): 185398401

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 441, 721, 927, 2163, 5047, 5857, 6489, 15141, 17571, 40999, 45423, 52713, 122997, 286993, 368991, 603271, 860979, 1809813, 2582937, 4222897, 5429439, 12668691, 29560279, 38006073, 88680837, 266042511]

約数ペア:

[(1, 266042511), (3, 88680837), (7, 38006073), (9, 29560279), (21, 12668691), (49, 5429439), (63, 4222897), (103, 2582937), (147, 1809813), (309, 860979), (441, 603271), (721, 368991), (927, 286993), (2163, 122997), (5047, 52713), (5857, 45423), (6489, 40999), (15141, 17571)]