27684909

素因数分解:

$3^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 47718528

約数和(自身を除く): 20033619

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 157, 189, 311, 471, 567, 933, 1099, 1413, 2177, 2799, 3297, 4239, 6531, 8397, 9891, 12717, 19593, 25191, 29673, 48827, 58779, 89019, 146481, 176337, 341789, 439443, 1025367, 1318329, 3076101, 3954987, 9228303, 27684909]

約数ペア:

[(1, 27684909), (3, 9228303), (7, 3954987), (9, 3076101), (21, 1318329), (27, 1025367), (63, 439443), (81, 341789), (157, 176337), (189, 146481), (311, 89019), (471, 58779), (567, 48827), (933, 29673), (1099, 25191), (1413, 19593), (2177, 12717), (2799, 9891), (3297, 8397), (4239, 6531)]