861299487

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{226241}}^1$

素因数の和:226300

約数の個数: 20

約数和(自身を含む): 1314013536

約数和(自身を除く): 452714049

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 226241, 678723, 2036169, 6108507, 10633327, 18325521, 31899981, 95699943, 287099829, 861299487]

約数ペア:

[(1, 861299487), (3, 287099829), (9, 95699943), (27, 31899981), (47, 18325521), (81, 10633327), (141, 6108507), (423, 2036169), (1269, 678723), (3807, 226241)]