290408559

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{1447}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 467066880

約数和(自身を除く): 176658321

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 503, 1447, 1509, 3521, 4341, 9557, 10129, 10563, 27493, 28671, 30387, 66899, 82479, 192451, 200697, 577353, 727841, 2183523, 5094887, 13828979, 15284661, 41486937, 96802853, 290408559]

約数ペア:

[(1, 290408559), (3, 96802853), (7, 41486937), (19, 15284661), (21, 13828979), (57, 5094887), (133, 2183523), (399, 727841), (503, 577353), (1447, 200697), (1509, 192451), (3521, 82479), (4341, 66899), (9557, 30387), (10129, 28671), (10563, 27493)]