28728741

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 41477184

約数和(自身を除く): 12748443

約数列:

[1, 3, 19, 41, 57, 123, 361, 647, 779, 1083, 1941, 2337, 12293, 14801, 26527, 36879, 44403, 79581, 233567, 504013, 700701, 1512039, 9576247, 28728741]

約数ペア:

[(1, 28728741), (3, 9576247), (19, 1512039), (41, 700701), (57, 504013), (123, 233567), (361, 79581), (647, 44403), (779, 36879), (1083, 26527), (1941, 14801), (2337, 12293)]