2847789

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2659}}^1$

素因数の和:2689

約数の個数: 24

約数和(自身を含む): 4979520

約数和(自身を除く): 2131731

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 2659, 7977, 18613, 23931, 45203, 55839, 135609, 167517, 316421, 406827, 949263, 2847789]

約数ペア:

[(1, 2847789), (3, 949263), (7, 406827), (9, 316421), (17, 167517), (21, 135609), (51, 55839), (63, 45203), (119, 23931), (153, 18613), (357, 7977), (1071, 2659)]