8257221

素因数分解:

$3^4\times 7^1\times {\mathrm{14563}}^1$

素因数の和:14582

約数の個数: 20

約数和(自身を含む): 14097952

約数和(自身を除く): 5840731

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 14563, 43689, 101941, 131067, 305823, 393201, 917469, 1179603, 2752407, 8257221]

約数ペア:

[(1, 8257221), (3, 2752407), (7, 1179603), (9, 917469), (21, 393201), (27, 305823), (63, 131067), (81, 101941), (189, 43689), (567, 14563)]