40889121

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7883}}^1$

素因数の和:7925

約数の個数: 32

約数和(自身を含む): 70640640

約数和(自身を除く): 29751519

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 7883, 23649, 55181, 102479, 149777, 165543, 307437, 449331, 717353, 1048439, 1947101, 2152059, 3145317, 5841303, 13629707, 40889121]

約数ペア:

[(1, 40889121), (3, 13629707), (7, 5841303), (13, 3145317), (19, 2152059), (21, 1947101), (39, 1048439), (57, 717353), (91, 449331), (133, 307437), (247, 165543), (273, 149777), (399, 102479), (741, 55181), (1729, 23649), (5187, 7883)]