81713889

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11113}}^1$

素因数の和:11181

約数の個数: 24

約数和(自身を含む): 127144160

約数和(自身を除く): 45430271

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 11113, 33339, 100017, 211147, 477859, 633441, 1433577, 1900323, 4300731, 9079321, 27237963, 81713889]

約数ペア:

[(1, 81713889), (3, 27237963), (9, 9079321), (19, 4300731), (43, 1900323), (57, 1433577), (129, 633441), (171, 477859), (387, 211147), (817, 100017), (2451, 33339), (7353, 11113)]