381404727

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67589}}^1$

素因数の和:67628

約数の個数: 32

約数和(自身を含む): 648864000

約数和(自身を除く): 267459273

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 5643, 67589, 202767, 608301, 743479, 1284191, 1824903, 2230437, 3852573, 6691311, 11557719, 14126101, 20073933, 34673157, 42378303, 127134909, 381404727]

約数ペア:

[(1, 381404727), (3, 127134909), (9, 42378303), (11, 34673157), (19, 20073933), (27, 14126101), (33, 11557719), (57, 6691311), (99, 3852573), (171, 2230437), (209, 1824903), (297, 1284191), (513, 743479), (627, 608301), (1881, 202767), (5643, 67589)]