81312921

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{531457}}^1$

素因数の和:531480

約数の個数: 12

約数和(自身を含む): 124361172

約数和(自身を除く): 43048251

約数列:

[1, 3, 9, 17, 51, 153, 531457, 1594371, 4783113, 9034769, 27104307, 81312921]

約数ペア:

[(1, 81312921), (3, 27104307), (9, 9034769), (17, 4783113), (51, 1594371), (153, 531457)]