81221562

素因数分解:

$2^1\times 3^3\times {\mathrm{1504103}}^1$

素因数の和:1504114

約数の個数: 16

約数和(自身を含む): 180492480

約数和(自身を除く): 99270918

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1504103, 3008206, 4512309, 9024618, 13536927, 27073854, 40610781, 81221562]

約数ペア:

[(1, 81221562), (2, 40610781), (3, 27073854), (6, 13536927), (9, 9024618), (18, 4512309), (27, 3008206), (54, 1504103)]