83385729

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{30781}}^1$

素因数の和:30837

約数の個数: 24

約数和(自身を含む): 140858432

約数和(自身を除く): 57472703

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 30781, 92343, 215467, 277029, 646401, 1323583, 1939203, 3970749, 9265081, 11912247, 27795243, 83385729]

約数ペア:

[(1, 83385729), (3, 27795243), (7, 11912247), (9, 9265081), (21, 3970749), (43, 1939203), (63, 1323583), (129, 646401), (301, 277029), (387, 215467), (903, 92343), (2709, 30781)]