221170089

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17881}}^1$

素因数の和:17941

約数の個数: 32

約数和(自身を含む): 366223360

約数和(自身を除く): 145053271

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 4123, 12369, 17881, 53643, 125167, 339739, 375501, 554311, 1019217, 1662933, 2378173, 3880177, 7134519, 10531909, 11640531, 31595727, 73723363, 221170089]

約数ペア:

[(1, 221170089), (3, 73723363), (7, 31595727), (19, 11640531), (21, 10531909), (31, 7134519), (57, 3880177), (93, 2378173), (133, 1662933), (217, 1019217), (399, 554311), (589, 375501), (651, 339739), (1767, 125167), (4123, 53643), (12369, 17881)]