20178099

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43961}}^1$

素因数の和:43987

約数の個数: 16

約数和(自身を含む): 31652640

約数和(自身を除く): 11474541

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43961, 131883, 395649, 747337, 1186947, 2242011, 6726033, 20178099]

約数ペア:

[(1, 20178099), (3, 6726033), (9, 2242011), (17, 1186947), (27, 747337), (51, 395649), (153, 131883), (459, 43961)]