221246207

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{39857}}^1$

素因数の和:39938

約数の個数: 16

約数和(自身を含む): 276773952

約数和(自身を除く): 55527745

約数列:

[1, 7, 13, 61, 91, 427, 793, 5551, 39857, 278999, 518141, 2431277, 3626987, 17018939, 31606601, 221246207]

約数ペア:

[(1, 221246207), (7, 31606601), (13, 17018939), (61, 3626987), (91, 2431277), (427, 518141), (793, 278999), (5551, 39857)]