28416717

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 50123520

約数和(自身を除く): 21706803

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 141, 147, 189, 329, 423, 441, 457, 987, 1269, 1323, 1371, 2303, 2961, 3199, 4113, 6909, 8883, 9597, 12339, 20727, 21479, 22393, 28791, 62181, 64437, 67179, 86373, 150353, 193311, 201537, 451059, 579933, 604611, 1052471, 1353177, 3157413, 4059531, 9472239, 28416717]

約数ペア:

[(1, 28416717), (3, 9472239), (7, 4059531), (9, 3157413), (21, 1353177), (27, 1052471), (47, 604611), (49, 579933), (63, 451059), (141, 201537), (147, 193311), (189, 150353), (329, 86373), (423, 67179), (441, 64437), (457, 62181), (987, 28791), (1269, 22393), (1323, 21479), (1371, 20727), (2303, 12339), (2961, 9597), (3199, 8883), (4113, 6909)]