18690561

素因数分解:

$3^3\times {\mathrm{233}}^1\times {\mathrm{2971}}^1$

素因数の和:3213

約数の個数: 16

約数和(自身を含む): 27817920

約数和(自身を除く): 9127359

約数列:

[1, 3, 9, 27, 233, 699, 2097, 2971, 6291, 8913, 26739, 80217, 692243, 2076729, 6230187, 18690561]

約数ペア:

[(1, 18690561), (3, 6230187), (9, 2076729), (27, 692243), (233, 80217), (699, 26739), (2097, 8913), (2971, 6291)]