39971841

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{146417}}^1$

素因数の和:146440

約数の個数: 16

約数和(自身を含む): 65595264

約数和(自身を除く): 25623423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 146417, 439251, 1024919, 1903421, 3074757, 5710263, 13323947, 39971841]

約数ペア:

[(1, 39971841), (3, 13323947), (7, 5710263), (13, 3074757), (21, 1903421), (39, 1024919), (91, 439251), (273, 146417)]