289736487

素因数分解:

$3^3\times {\mathrm{641}}^1\times {\mathrm{16741}}^1$

素因数の和:17391

約数の個数: 16

約数和(自身を含む): 429934560

約数和(自身を除く): 140198073

約数列:

[1, 3, 9, 27, 641, 1923, 5769, 16741, 17307, 50223, 150669, 452007, 10730981, 32192943, 96578829, 289736487]

約数ペア:

[(1, 289736487), (3, 96578829), (9, 32192943), (27, 10730981), (641, 452007), (1923, 150669), (5769, 50223), (16741, 17307)]