2049131

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 24

約数和(自身を含む): 2626560

約数和(自身を除く): 577429

約数列:

[1, 7, 19, 31, 49, 71, 133, 217, 497, 589, 931, 1349, 1519, 2201, 3479, 4123, 9443, 15407, 28861, 41819, 66101, 107849, 292733, 2049131]

約数ペア:

[(1, 2049131), (7, 292733), (19, 107849), (31, 66101), (49, 41819), (71, 28861), (133, 15407), (217, 9443), (497, 4123), (589, 3479), (931, 2201), (1349, 1519)]