28061811

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 41530320

約数和(自身を除く): 13468509

約数列:

[1, 3, 9, 67, 173, 201, 269, 519, 603, 807, 1557, 2421, 11591, 18023, 34773, 46537, 54069, 104319, 139611, 162207, 418833, 3117979, 9353937, 28061811]

約数ペア:

[(1, 28061811), (3, 9353937), (9, 3117979), (67, 418833), (173, 162207), (201, 139611), (269, 104319), (519, 54069), (603, 46537), (807, 34773), (1557, 18023), (2421, 11591)]