13666887

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{12979}}^1$

素因数の和:13004

約数の個数: 20

約数和(自身を含む): 21988120

約数和(自身を除く): 8321233

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 12979, 38937, 116811, 168727, 350433, 506181, 1051299, 1518543, 4555629, 13666887]

約数ペア:

[(1, 13666887), (3, 4555629), (9, 1518543), (13, 1051299), (27, 506181), (39, 350433), (81, 168727), (117, 116811), (351, 38937), (1053, 12979)]