28303863

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70937}}^1$

素因数の和:70966

約数の個数: 16

約数和(自身を含む): 45400320

約数和(自身を除く): 17096457

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 70937, 212811, 496559, 1347803, 1489677, 4043409, 9434621, 28303863]

約数ペア:

[(1, 28303863), (3, 9434621), (7, 4043409), (19, 1489677), (21, 1347803), (57, 496559), (133, 212811), (399, 70937)]