197973591

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{21023}}^1$

素因数の和:21142

約数の個数: 16

約数和(自身を含む): 273816576

約数和(自身を除く): 75842985

約数列:

[1, 3, 43, 73, 129, 219, 3139, 9417, 21023, 63069, 903989, 1534679, 2711967, 4604037, 65991197, 197973591]

約数ペア:

[(1, 197973591), (3, 65991197), (43, 4604037), (73, 2711967), (129, 1534679), (219, 903989), (3139, 63069), (9417, 21023)]