2791089

素因数分解:

$3^2\times 7^2\times {\mathrm{6329}}^1$

素因数の和:6349

約数の個数: 18

約数和(自身を含む): 4690530

約数和(自身を除く): 1899441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6329, 18987, 44303, 56961, 132909, 310121, 398727, 930363, 2791089]

約数ペア:

[(1, 2791089), (3, 930363), (7, 398727), (9, 310121), (21, 132909), (49, 56961), (63, 44303), (147, 18987), (441, 6329)]