1280853

素因数分解:

$3^6\times 7^1\times {\mathrm{251}}^1$

素因数の和:276

約数の個数: 28

約数和(自身を含む): 2203488

約数和(自身を除く): 922635

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 251, 567, 729, 753, 1701, 1757, 2259, 5103, 5271, 6777, 15813, 20331, 47439, 60993, 142317, 182979, 426951, 1280853]

約数ペア:

[(1, 1280853), (3, 426951), (7, 182979), (9, 142317), (21, 60993), (27, 47439), (63, 20331), (81, 15813), (189, 6777), (243, 5271), (251, 5103), (567, 2259), (729, 1757), (753, 1701)]