20191161

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 27498240

約数和(自身を除く): 7307079

約数列:

[1, 3, 83, 131, 249, 393, 619, 1857, 10873, 32619, 51377, 81089, 154131, 243267, 6730387, 20191161]

約数ペア:

[(1, 20191161), (3, 6730387), (83, 243267), (131, 154131), (249, 81089), (393, 51377), (619, 32619), (1857, 10873)]