255280707

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 432345600

約数和(自身を除く): 177064893

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 107, 261, 277, 297, 319, 321, 783, 831, 957, 963, 1177, 2493, 2871, 2889, 3047, 3103, 3531, 7479, 8033, 8613, 9141, 9309, 10593, 24099, 27423, 27927, 29639, 31779, 34133, 72297, 82269, 83781, 88363, 88917, 102399, 216891, 265089, 266751, 307197, 326029, 795267, 800253, 859531, 921591, 978087, 2385801, 2578593, 2934261, 7735779, 8802783, 9454841, 23207337, 28364523, 85093569, 255280707]

約数ペア:

[(1, 255280707), (3, 85093569), (9, 28364523), (11, 23207337), (27, 9454841), (29, 8802783), (33, 7735779), (87, 2934261), (99, 2578593), (107, 2385801), (261, 978087), (277, 921591), (297, 859531), (319, 800253), (321, 795267), (783, 326029), (831, 307197), (957, 266751), (963, 265089), (1177, 216891), (2493, 102399), (2871, 88917), (2889, 88363), (3047, 83781), (3103, 82269), (3531, 72297), (7479, 34133), (8033, 31779), (8613, 29639), (9141, 27927), (9309, 27423), (10593, 24099)]