81669411

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{177929}}^1$

素因数の和:177955

約数の個数: 16

約数和(自身を含む): 128109600

約数和(自身を除く): 46440189

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 177929, 533787, 1601361, 3024793, 4804083, 9074379, 27223137, 81669411]

約数ペア:

[(1, 81669411), (3, 27223137), (9, 9074379), (17, 4804083), (27, 3024793), (51, 1601361), (153, 533787), (459, 177929)]