80784319

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{751}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 102416384

約数和(自身を除く): 21632065

約数列:

[1, 7, 11, 77, 121, 127, 751, 847, 889, 1397, 5257, 8261, 9779, 15367, 57827, 90871, 95377, 107569, 636097, 667639, 1049147, 7344029, 11540617, 80784319]

約数ペア:

[(1, 80784319), (7, 11540617), (11, 7344029), (77, 1049147), (121, 667639), (127, 636097), (751, 107569), (847, 95377), (889, 90871), (1397, 57827), (5257, 15367), (8261, 9779)]