81114243

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{17321}}^1$

素因数の和:17554

約数の個数: 16

約数和(自身を含む): 124164096

約数和(自身を除く): 43049853

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 17321, 51963, 121247, 363741, 3862583, 11587749, 27038081, 81114243]

約数ペア:

[(1, 81114243), (3, 27038081), (7, 11587749), (21, 3862583), (223, 363741), (669, 121247), (1561, 51963), (4683, 17321)]