3967299

素因数分解:

$3^4\times 7^1\times {\mathrm{6997}}^1$

素因数の和:7016

約数の個数: 20

約数和(自身を含む): 6774064

約数和(自身を除く): 2806765

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 6997, 20991, 48979, 62973, 146937, 188919, 440811, 566757, 1322433, 3967299]

約数ペア:

[(1, 3967299), (3, 1322433), (7, 566757), (9, 440811), (21, 188919), (27, 146937), (63, 62973), (81, 48979), (189, 20991), (567, 6997)]