131371857

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{883}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 193801088

約数和(自身を除く): 62429231

約数列:

[1, 3, 9, 61, 183, 271, 549, 813, 883, 2439, 2649, 7947, 16531, 49593, 53863, 148779, 161589, 239293, 484767, 717879, 2153637, 14596873, 43790619, 131371857]

約数ペア:

[(1, 131371857), (3, 43790619), (9, 14596873), (61, 2153637), (183, 717879), (271, 484767), (549, 239293), (813, 161589), (883, 148779), (2439, 53863), (2649, 49593), (7947, 16531)]