1998607527

素因数分解:

$3^4\times 7^1\times {\mathrm{881}}^1\times {\mathrm{4001}}^1$

素因数の和:4901

約数の個数: 40

約数和(自身を含む): 3416811552

約数和(自身を除く): 1418204025

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 881, 2643, 4001, 6167, 7929, 12003, 18501, 23787, 28007, 36009, 55503, 71361, 84021, 108027, 166509, 252063, 324081, 499527, 756189, 2268567, 3524881, 10574643, 24674167, 31723929, 74022501, 95171787, 222067503, 285515361, 666202509, 1998607527]

約数ペア:

[(1, 1998607527), (3, 666202509), (7, 285515361), (9, 222067503), (21, 95171787), (27, 74022501), (63, 31723929), (81, 24674167), (189, 10574643), (567, 3524881), (881, 2268567), (2643, 756189), (4001, 499527), (6167, 324081), (7929, 252063), (12003, 166509), (18501, 108027), (23787, 84021), (28007, 71361), (36009, 55503)]