13455729

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1559}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 22389120

約数和(自身を除く): 8933391

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 1559, 2877, 4677, 8631, 10913, 14031, 32739, 98217, 213583, 640749, 1495081, 1922247, 4485243, 13455729]

約数ペア:

[(1, 13455729), (3, 4485243), (7, 1922247), (9, 1495081), (21, 640749), (63, 213583), (137, 98217), (411, 32739), (959, 14031), (1233, 10913), (1559, 8631), (2877, 4677)]