18377901

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40039}}^1$

素因数の和:40065

約数の個数: 16

約数和(自身を含む): 28828800

約数和(自身を除く): 10450899

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40039, 120117, 360351, 680663, 1081053, 2041989, 6125967, 18377901]

約数ペア:

[(1, 18377901), (3, 6125967), (9, 2041989), (17, 1081053), (27, 680663), (51, 360351), (153, 120117), (459, 40039)]