81664686

素因数分解:

$2^1\times 3^4\times {\mathrm{504103}}^1$

素因数の和:504117

約数の個数: 20

約数和(自身を含む): 182989752

約数和(自身を除く): 101325066

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 504103, 1008206, 1512309, 3024618, 4536927, 9073854, 13610781, 27221562, 40832343, 81664686]

約数ペア:

[(1, 81664686), (2, 40832343), (3, 27221562), (6, 13610781), (9, 9073854), (18, 4536927), (27, 3024618), (54, 1512309), (81, 1008206), (162, 504103)]