28731297

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{811}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 44802912

約数和(自身を除く): 16071615

約数列:

[1, 3, 7, 21, 49, 147, 241, 723, 811, 1687, 2433, 5061, 5677, 11809, 17031, 35427, 39739, 119217, 195451, 586353, 1368157, 4104471, 9577099, 28731297]

約数ペア:

[(1, 28731297), (3, 9577099), (7, 4104471), (21, 1368157), (49, 586353), (147, 195451), (241, 119217), (723, 39739), (811, 35427), (1687, 17031), (2433, 11809), (5061, 5677)]