51219987

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{503}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 84446208

約数和(自身を除く): 33226221

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 373, 503, 1119, 1509, 2611, 3521, 4849, 6539, 7833, 10563, 14547, 19617, 33943, 45773, 101829, 137319, 187619, 562857, 1313333, 2439047, 3939999, 7317141, 17073329, 51219987]

約数ペア:

[(1, 51219987), (3, 17073329), (7, 7317141), (13, 3939999), (21, 2439047), (39, 1313333), (91, 562857), (273, 187619), (373, 137319), (503, 101829), (1119, 45773), (1509, 33943), (2611, 19617), (3521, 14547), (4849, 10563), (6539, 7833)]