28340319

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25463}}^1$

素因数の和:25526

約数の個数: 16

約数和(自身を含む): 44001792

約数和(自身を除く): 15661473

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 25463, 76389, 178241, 534723, 1349539, 4048617, 9446773, 28340319]

約数ペア:

[(1, 28340319), (3, 9446773), (7, 4048617), (21, 1349539), (53, 534723), (159, 178241), (371, 76389), (1113, 25463)]