28352457

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2239}}^1$

素因数の和:2322

約数の個数: 32

約数和(自身を含む): 48742400

約数和(自身を除く): 20389943

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1809, 2239, 4221, 6717, 12663, 15673, 20151, 47019, 60453, 141057, 150013, 423171, 450039, 1050091, 1350117, 3150273, 4050351, 9450819, 28352457]

約数ペア:

[(1, 28352457), (3, 9450819), (7, 4050351), (9, 3150273), (21, 1350117), (27, 1050091), (63, 450039), (67, 423171), (189, 150013), (201, 141057), (469, 60453), (603, 47019), (1407, 20151), (1809, 15673), (2239, 12663), (4221, 6717)]