195643721

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1093}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 246189384

約数和(自身を除く): 50545663

約数列:

[1, 7, 13, 49, 91, 281, 637, 1093, 1967, 3653, 7651, 13769, 14209, 25571, 53557, 99463, 178997, 307133, 696241, 2149931, 3992729, 15049517, 27949103, 195643721]

約数ペア:

[(1, 195643721), (7, 27949103), (13, 15049517), (49, 3992729), (91, 2149931), (281, 696241), (637, 307133), (1093, 178997), (1967, 99463), (3653, 53557), (7651, 25571), (13769, 14209)]