2775311

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 3720960

約数和(自身を除く): 945649

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 271, 539, 931, 1463, 1897, 2981, 5149, 10241, 13279, 20867, 36043, 56639, 146069, 252301, 396473, 2775311]

約数ペア:

[(1, 2775311), (7, 396473), (11, 252301), (19, 146069), (49, 56639), (77, 36043), (133, 20867), (209, 13279), (271, 10241), (539, 5149), (931, 2981), (1463, 1897)]