153125721

素因数分解:

$3^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:873

約数の個数: 56

約数和(自身を含む): 269804864

約数和(自身を除く): 116679143

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 243, 259, 333, 567, 729, 777, 811, 999, 1701, 2331, 2433, 2997, 5103, 5677, 6993, 7299, 8991, 17031, 20979, 21897, 26973, 30007, 51093, 62937, 65691, 90021, 153279, 188811, 197073, 210049, 270063, 459837, 591219, 630147, 810189, 1379511, 1890441, 2430567, 4138533, 5671323, 7291701, 17013969, 21875103, 51041907, 153125721]

約数ペア:

[(1, 153125721), (3, 51041907), (7, 21875103), (9, 17013969), (21, 7291701), (27, 5671323), (37, 4138533), (63, 2430567), (81, 1890441), (111, 1379511), (189, 810189), (243, 630147), (259, 591219), (333, 459837), (567, 270063), (729, 210049), (777, 197073), (811, 188811), (999, 153279), (1701, 90021), (2331, 65691), (2433, 62937), (2997, 51093), (5103, 30007), (5677, 26973), (6993, 21897), (7299, 20979), (8991, 17031)]