20128527

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43853}}^1$

素因数の和:43879

約数の個数: 16

約数和(自身を含む): 31574880

約数和(自身を除く): 11446353

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43853, 131559, 394677, 745501, 1184031, 2236503, 6709509, 20128527]

約数ペア:

[(1, 20128527), (3, 6709509), (9, 2236503), (17, 1184031), (27, 745501), (51, 394677), (153, 131559), (459, 43853)]