27886929

素因数分解:

$3^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 44486400

約数和(自身を除く): 16599471

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 343, 661, 861, 1029, 1983, 2009, 4627, 6027, 13881, 14063, 27101, 32389, 42189, 81303, 97167, 189707, 226723, 569121, 680169, 1327949, 3983847, 9295643, 27886929]

約数ペア:

[(1, 27886929), (3, 9295643), (7, 3983847), (21, 1327949), (41, 680169), (49, 569121), (123, 226723), (147, 189707), (287, 97167), (343, 81303), (661, 42189), (861, 32389), (1029, 27101), (1983, 14063), (2009, 13881), (4627, 6027)]