28905471

素因数分解:

$3^3\times 7^1\times {\mathrm{152939}}^1$

素因数の和:152955

約数の個数: 16

約数和(自身を含む): 48940800

約数和(自身を除く): 20035329

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 152939, 458817, 1070573, 1376451, 3211719, 4129353, 9635157, 28905471]

約数ペア:

[(1, 28905471), (3, 9635157), (7, 4129353), (9, 3211719), (21, 1376451), (27, 1070573), (63, 458817), (189, 152939)]