18608121

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6869}}^1$

素因数の和:6925

約数の個数: 24

約数和(自身を含む): 31437120

約数和(自身を除く): 12828999

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 6869, 20607, 48083, 61821, 144249, 295367, 432747, 886101, 2067569, 2658303, 6202707, 18608121]

約数ペア:

[(1, 18608121), (3, 6202707), (7, 2658303), (9, 2067569), (21, 886101), (43, 432747), (63, 295367), (129, 144249), (301, 61821), (387, 48083), (903, 20607), (2709, 6869)]