25209987

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1877}}^1$

素因数の和:1939

約数の個数: 24

約数和(自身を含む): 37965648

約数和(自身を除く): 12755661

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 1877, 4477, 5631, 13431, 20647, 61941, 69449, 208347, 227117, 681351, 763939, 2291817, 8403329, 25209987]

約数ペア:

[(1, 25209987), (3, 8403329), (11, 2291817), (33, 763939), (37, 681351), (111, 227117), (121, 208347), (363, 69449), (407, 61941), (1221, 20647), (1877, 13431), (4477, 5631)]