487991193

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{991}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 702812160

約数和(自身を除く): 214820967

約数列:

[1, 3, 19, 53, 57, 159, 163, 489, 991, 1007, 2973, 3021, 3097, 8639, 9291, 18829, 25917, 52523, 56487, 157569, 161533, 164141, 484599, 492423, 997937, 2993811, 3069127, 8561249, 9207381, 25683747, 162663731, 487991193]

約数ペア:

[(1, 487991193), (3, 162663731), (19, 25683747), (53, 9207381), (57, 8561249), (159, 3069127), (163, 2993811), (489, 997937), (991, 492423), (1007, 484599), (2973, 164141), (3021, 161533), (3097, 157569), (8639, 56487), (9291, 52523), (18829, 25917)]