16839819

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{1637}}^1$

素因数の和:1776

約数の個数: 20

約数和(自身を含む): 25369344

約数和(自身を除く): 8529525

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 1637, 3429, 4911, 10287, 14733, 44199, 132597, 207899, 623697, 1871091, 5613273, 16839819]

約数ペア:

[(1, 16839819), (3, 5613273), (9, 1871091), (27, 623697), (81, 207899), (127, 132597), (381, 44199), (1143, 14733), (1637, 10287), (3429, 4911)]