1287996831

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{245473}}^1$

素因数の和:245543

約数の個数: 24

約数和(自身を含む): 2067872976

約数和(自身を除く): 779876145

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 477, 583, 1749, 5247, 245473, 736419, 2209257, 2700203, 8100609, 13010069, 24301827, 39030207, 117090621, 143110759, 429332277, 1287996831]

約数ペア:

[(1, 1287996831), (3, 429332277), (9, 143110759), (11, 117090621), (33, 39030207), (53, 24301827), (99, 13010069), (159, 8100609), (477, 2700203), (583, 2209257), (1749, 736419), (5247, 245473)]