215789589

素因数分解:

$3^5\times {\mathrm{109}}^1\times {\mathrm{8147}}^1$

素因数の和:8271

約数の個数: 24

約数和(自身を含む): 326245920

約数和(自身を除く): 110456331

約数列:

[1, 3, 9, 27, 81, 109, 243, 327, 981, 2943, 8147, 8829, 24441, 26487, 73323, 219969, 659907, 888023, 1979721, 2664069, 7992207, 23976621, 71929863, 215789589]

約数ペア:

[(1, 215789589), (3, 71929863), (9, 23976621), (27, 7992207), (81, 2664069), (109, 1979721), (243, 888023), (327, 659907), (981, 219969), (2943, 73323), (8147, 26487), (8829, 24441)]