28500093

素因数分解:

$3^4\times {\mathrm{331}}^1\times {\mathrm{1063}}^1$

素因数の和:1406

約数の個数: 20

約数和(自身を含む): 42743008

約数和(自身を除く): 14242915

約数列:

[1, 3, 9, 27, 81, 331, 993, 1063, 2979, 3189, 8937, 9567, 26811, 28701, 86103, 351853, 1055559, 3166677, 9500031, 28500093]

約数ペア:

[(1, 28500093), (3, 9500031), (9, 3166677), (27, 1055559), (81, 351853), (331, 86103), (993, 28701), (1063, 26811), (2979, 9567), (3189, 8937)]