249927405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{661}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 494688768

約数和(自身を除く): 244761363

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 277, 455, 661, 831, 1365, 1385, 1939, 1983, 3305, 3601, 4155, 4627, 5817, 8593, 9695, 9915, 10803, 13881, 18005, 23135, 25207, 25779, 29085, 42965, 54015, 60151, 69405, 75621, 126035, 128895, 180453, 183097, 300755, 378105, 549291, 902265, 915485, 1281679, 2380261, 2746455, 3845037, 6408395, 7140783, 11901305, 16661827, 19225185, 35703915, 49985481, 83309135, 249927405]

約数ペア:

[(1, 249927405), (3, 83309135), (5, 49985481), (7, 35703915), (13, 19225185), (15, 16661827), (21, 11901305), (35, 7140783), (39, 6408395), (65, 3845037), (91, 2746455), (105, 2380261), (195, 1281679), (273, 915485), (277, 902265), (455, 549291), (661, 378105), (831, 300755), (1365, 183097), (1385, 180453), (1939, 128895), (1983, 126035), (3305, 75621), (3601, 69405), (4155, 60151), (4627, 54015), (5817, 42965), (8593, 29085), (9695, 25779), (9915, 25207), (10803, 23135), (13881, 18005)]