331316487

素因数分解:

$3^4\times {\mathrm{1409}}^1\times {\mathrm{2903}}^1$

素因数の和:4324

約数の個数: 20

約数和(自身を含む): 495451440

約数和(自身を除く): 164134953

約数列:

[1, 3, 9, 27, 81, 1409, 2903, 4227, 8709, 12681, 26127, 38043, 78381, 114129, 235143, 4090327, 12270981, 36812943, 110438829, 331316487]

約数ペア:

[(1, 331316487), (3, 110438829), (9, 36812943), (27, 12270981), (81, 4090327), (1409, 235143), (2903, 114129), (4227, 78381), (8709, 38043), (12681, 26127)]