211821939

素因数分解:

$3^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{5807}}^1$

素因数の和:6016

約数の個数: 32

約数和(自身を含む): 360560640

約数和(自身を除く): 148738701

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 193, 579, 1351, 1737, 4053, 5211, 5807, 12159, 17421, 36477, 40649, 52263, 121947, 156789, 365841, 1097523, 1120751, 3362253, 7845257, 10086759, 23535771, 30260277, 70607313, 211821939]

約数ペア:

[(1, 211821939), (3, 70607313), (7, 30260277), (9, 23535771), (21, 10086759), (27, 7845257), (63, 3362253), (189, 1120751), (193, 1097523), (579, 365841), (1351, 156789), (1737, 121947), (4053, 52263), (5211, 40649), (5807, 36477), (12159, 17421)]