207972081

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{3209}}^1$

素因数の和:3613

約数の個数: 24

約数和(自身を含む): 317148000

約数和(自身を除く): 109175919

約数列:

[1, 3, 9, 19, 57, 171, 379, 1137, 3209, 3411, 7201, 9627, 21603, 28881, 60971, 64809, 182913, 548739, 1216211, 3648633, 10945899, 23108009, 69324027, 207972081]

約数ペア:

[(1, 207972081), (3, 69324027), (9, 23108009), (19, 10945899), (57, 3648633), (171, 1216211), (379, 548739), (1137, 182913), (3209, 64809), (3411, 60971), (7201, 28881), (9627, 21603)]