289221003

素因数分解:

$3^3\times {\mathrm{1559}}^1\times {\mathrm{6871}}^1$

素因数の和:8439

約数の個数: 16

約数和(自身を含む): 428812800

約数和(自身を除く): 139591797

約数列:

[1, 3, 9, 27, 1559, 4677, 6871, 14031, 20613, 42093, 61839, 185517, 10711889, 32135667, 96407001, 289221003]

約数ペア:

[(1, 289221003), (3, 96407001), (9, 32135667), (27, 10711889), (1559, 185517), (4677, 61839), (6871, 42093), (14031, 20613)]