6821451

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8329}}^1$

素因数の和:8355

約数の個数: 24

約数和(自身を含む): 12128480

約数和(自身を除く): 5307029

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 8329, 24987, 58303, 74961, 108277, 174909, 324831, 524727, 757939, 974493, 2273817, 6821451]

約数ペア:

[(1, 6821451), (3, 2273817), (7, 974493), (9, 757939), (13, 524727), (21, 324831), (39, 174909), (63, 108277), (91, 74961), (117, 58303), (273, 24987), (819, 8329)]