321043986

素因数分解:

$2^1\times 3^4\times {\mathrm{1981753}}^1$

素因数の和:1981767

約数の個数: 20

約数和(自身を含む): 719376702

約数和(自身を除く): 398332716

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1981753, 3963506, 5945259, 11890518, 17835777, 35671554, 53507331, 107014662, 160521993, 321043986]

約数ペア:

[(1, 321043986), (2, 160521993), (3, 107014662), (6, 53507331), (9, 35671554), (18, 17835777), (27, 11890518), (54, 5945259), (81, 3963506), (162, 1981753)]