399291243

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{68713}}^1$

素因数の和:68878

約数の個数: 16

約数和(自身を含む): 577197600

約数和(自身を除く): 177906357

約数列:

[1, 3, 13, 39, 149, 447, 1937, 5811, 68713, 206139, 893269, 2679807, 10238237, 30714711, 133097081, 399291243]

約数ペア:

[(1, 399291243), (3, 133097081), (13, 30714711), (39, 10238237), (149, 2679807), (447, 893269), (1937, 206139), (5811, 68713)]