55253121

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12589}}^1$

素因数の和:12629

約数の個数: 32

約数和(自身を含む): 96691200

約数和(自身を除く): 41438079

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 12589, 37767, 88123, 138479, 239191, 264369, 415437, 717573, 969353, 1674337, 2631101, 2908059, 5023011, 7893303, 18417707, 55253121]

約数ペア:

[(1, 55253121), (3, 18417707), (7, 7893303), (11, 5023011), (19, 2908059), (21, 2631101), (33, 1674337), (57, 969353), (77, 717573), (133, 415437), (209, 264369), (231, 239191), (399, 138479), (627, 88123), (1463, 37767), (4389, 12589)]