431138979

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67187}}^1$

素因数の和:67247

約数の個数: 24

約数和(自身を含む): 670804992

約数和(自身を除く): 239666013

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 6417, 67187, 201561, 604683, 1545301, 2082797, 4635903, 6248391, 13907709, 18745173, 47904331, 143712993, 431138979]

約数ペア:

[(1, 431138979), (3, 143712993), (9, 47904331), (23, 18745173), (31, 13907709), (69, 6248391), (93, 4635903), (207, 2082797), (279, 1545301), (713, 604683), (2139, 201561), (6417, 67187)]