27931311

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{18149}}^1$

素因数の和:18180

約数の個数: 20

約数和(自身を含む): 43923000

約数和(自身を除く): 15991689

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 18149, 54447, 163341, 344831, 490023, 1034493, 1470069, 3103479, 9310437, 27931311]

約数ペア:

[(1, 27931311), (3, 9310437), (9, 3103479), (19, 1470069), (27, 1034493), (57, 490023), (81, 344831), (171, 163341), (513, 54447), (1539, 18149)]