30820559

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 39442176

約数和(自身を除く): 8621617

約数列:

[1, 7, 11, 49, 77, 211, 271, 539, 1477, 1897, 2321, 2981, 10339, 13279, 16247, 20867, 57181, 113729, 146069, 400267, 628991, 2801869, 4402937, 30820559]

約数ペア:

[(1, 30820559), (7, 4402937), (11, 2801869), (49, 628991), (77, 400267), (211, 146069), (271, 113729), (539, 57181), (1477, 20867), (1897, 16247), (2321, 13279), (2981, 10339)]