251960121

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5689}}^1$

素因数の和:5758

約数の個数: 48

約数和(自身を含む): 449737600

約数和(自身を除く): 197777479

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 111, 133, 171, 259, 333, 399, 703, 777, 1197, 2109, 2331, 4921, 5689, 6327, 14763, 17067, 39823, 44289, 51201, 108091, 119469, 210493, 324273, 358407, 631479, 756637, 972819, 1473451, 1894437, 2269911, 3999367, 4420353, 6809733, 11998101, 13261059, 27995569, 35994303, 83986707, 251960121]

約数ペア:

[(1, 251960121), (3, 83986707), (7, 35994303), (9, 27995569), (19, 13261059), (21, 11998101), (37, 6809733), (57, 4420353), (63, 3999367), (111, 2269911), (133, 1894437), (171, 1473451), (259, 972819), (333, 756637), (399, 631479), (703, 358407), (777, 324273), (1197, 210493), (2109, 119469), (2331, 108091), (4921, 51201), (5689, 44289), (6327, 39823), (14763, 17067)]