221641431

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{6917}}^1$

素因数の和:7902

約数の個数: 16

約数和(自身を含む): 322766208

約数和(自身を除く): 101124777

約数列:

[1, 3, 11, 33, 971, 2913, 6917, 10681, 20751, 32043, 76087, 228261, 6716407, 20149221, 73880477, 221641431]

約数ペア:

[(1, 221641431), (3, 73880477), (11, 20149221), (33, 6716407), (971, 228261), (2913, 76087), (6917, 32043), (10681, 20751)]