15721909501

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{127}}^1\times {\mathrm{2917}}^1$

素因数の和:3149

約数の個数: 24

約数和(自身を含む): 16816644096

約数和(自身を除く): 1094734595

約数列:

[1, 31, 37, 127, 1147, 1369, 2917, 3937, 4699, 42439, 90427, 107929, 145669, 173863, 370459, 3345799, 3993373, 5389753, 11484229, 13706983, 123794563, 424916473, 507158371, 15721909501]

約数ペア:

[(1, 15721909501), (31, 507158371), (37, 424916473), (127, 123794563), (1147, 13706983), (1369, 11484229), (2917, 5389753), (3937, 3993373), (4699, 3345799), (42439, 370459), (90427, 173863), (107929, 145669)]