27947871

素因数分解:

$3^2\times 7^1\times {\mathrm{547}}^1\times {\mathrm{811}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 46277504

約数和(自身を除く): 18329633

約数列:

[1, 3, 7, 9, 21, 63, 547, 811, 1641, 2433, 3829, 4923, 5677, 7299, 11487, 17031, 34461, 51093, 443617, 1330851, 3105319, 3992553, 9315957, 27947871]

約数ペア:

[(1, 27947871), (3, 9315957), (7, 3992553), (9, 3105319), (21, 1330851), (63, 443617), (547, 51093), (811, 34461), (1641, 17031), (2433, 11487), (3829, 7299), (4923, 5677)]