813308319

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{17681}}^1$

素因数の和:17975

約数の個数: 24

約数和(自身を含む): 1241276400

約数和(自身を除く): 427968081

約数列:

[1, 3, 9, 19, 57, 171, 269, 807, 2421, 5111, 15333, 17681, 45999, 53043, 159129, 335939, 1007817, 3023451, 4756189, 14268567, 42805701, 90367591, 271102773, 813308319]

約数ペア:

[(1, 813308319), (3, 271102773), (9, 90367591), (19, 42805701), (57, 14268567), (171, 4756189), (269, 3023451), (807, 1007817), (2421, 335939), (5111, 159129), (15333, 53043), (17681, 45999)]