28266867

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 43464960

約数和(自身を除く): 15198093

約数列:

[1, 3, 9, 27, 43, 97, 129, 251, 291, 387, 753, 873, 1161, 2259, 2619, 4171, 6777, 10793, 12513, 24347, 32379, 37539, 73041, 97137, 112617, 219123, 291411, 657369, 1046921, 3140763, 9422289, 28266867]

約数ペア:

[(1, 28266867), (3, 9422289), (9, 3140763), (27, 1046921), (43, 657369), (97, 291411), (129, 219123), (251, 112617), (291, 97137), (387, 73041), (753, 37539), (873, 32379), (1161, 24347), (2259, 12513), (2619, 10793), (4171, 6777)]