805427847

素因数分解:

$3^3\times 7^2\times {\mathrm{608789}}^1$

素因数の和:608812

約数の個数: 24

約数和(自身を含む): 1388041200

約数和(自身を除く): 582613353

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 608789, 1826367, 4261523, 5479101, 12784569, 16437303, 29830661, 38353707, 89491983, 115061121, 268475949, 805427847]

約数ペア:

[(1, 805427847), (3, 268475949), (7, 115061121), (9, 89491983), (21, 38353707), (27, 29830661), (49, 16437303), (63, 12784569), (147, 5479101), (189, 4261523), (441, 1826367), (1323, 608789)]