4288221

素因数分解:

$3^5\times 7^1\times {\mathrm{2521}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 7344064

約数和(自身を除く): 3055843

約数列:

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

約数ペア:

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