11947761

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{953}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 19843200

約数和(自身を除く): 7895439

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 953, 1393, 1791, 2859, 4179, 6671, 8577, 12537, 20013, 60039, 189647, 568941, 1327529, 1706823, 3982587, 11947761]

約数ペア:

[(1, 11947761), (3, 3982587), (7, 1706823), (9, 1327529), (21, 568941), (63, 189647), (199, 60039), (597, 20013), (953, 12537), (1393, 8577), (1791, 6671), (2859, 4179)]