12864663

素因数分解:

$3^6\times 7^1\times {\mathrm{2521}}^1$

素因数の和:2546

約数の個数: 28

約数和(自身を含む): 22052368

約数和(自身を除く): 9187705

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2521, 5103, 7563, 17647, 22689, 52941, 68067, 158823, 204201, 476469, 612603, 1429407, 1837809, 4288221, 12864663]

約数ペア:

[(1, 12864663), (3, 4288221), (7, 1837809), (9, 1429407), (21, 612603), (27, 476469), (63, 204201), (81, 158823), (189, 68067), (243, 52941), (567, 22689), (729, 17647), (1701, 7563), (2521, 5103)]