12817359

素因数分解:

$3^4\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:932

約数の個数: 20

約数和(自身を含む): 19258360

約数和(自身を除く): 6441001

約数列:

[1, 3, 9, 27, 81, 229, 687, 691, 2061, 2073, 6183, 6219, 18549, 18657, 55971, 158239, 474717, 1424151, 4272453, 12817359]

約数ペア:

[(1, 12817359), (3, 4272453), (9, 1424151), (27, 474717), (81, 158239), (229, 55971), (687, 18657), (691, 18549), (2061, 6219), (2073, 6183)]