18710217

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40763}}^1$

素因数の和:40789

約数の個数: 16

約数和(自身を含む): 29350080

約数和(自身を除く): 10639863

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40763, 122289, 366867, 692971, 1100601, 2078913, 6236739, 18710217]

約数ペア:

[(1, 18710217), (3, 6236739), (9, 2078913), (17, 1100601), (27, 692971), (51, 366867), (153, 122289), (459, 40763)]