18900243

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41177}}^1$

素因数の和:41203

約数の個数: 16

約数和(自身を含む): 29648160

約数和(自身を除く): 10747917

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 41177, 123531, 370593, 700009, 1111779, 2100027, 6300081, 18900243]

約数ペア:

[(1, 18900243), (3, 6300081), (9, 2100027), (17, 1111779), (27, 700009), (51, 370593), (153, 123531), (459, 41177)]