20512487979

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{306463}}^1$

素因数の和:306576

約数の個数: 32

約数和(自身を含む): 31676119040

約数和(自身を除く): 11163631061

約数列:

[1, 3, 9, 27, 37, 67, 111, 201, 333, 603, 999, 1809, 2479, 7437, 22311, 66933, 306463, 919389, 2758167, 8274501, 11339131, 20533021, 34017393, 61599063, 102052179, 184797189, 306156537, 554391567, 759721777, 2279165331, 6837495993, 20512487979]

約数ペア:

[(1, 20512487979), (3, 6837495993), (9, 2279165331), (27, 759721777), (37, 554391567), (67, 306156537), (111, 184797189), (201, 102052179), (333, 61599063), (603, 34017393), (999, 20533021), (1809, 11339131), (2479, 8274501), (7437, 2758167), (22311, 919389), (66933, 306463)]