171721295

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{1171}}^1$

素因数の和:1526

約数の個数: 16

約数和(自身を含む): 208709760

約数和(自身を除く): 36988465

約数列:

[1, 5, 139, 211, 695, 1055, 1171, 5855, 29329, 146645, 162769, 247081, 813845, 1235405, 34344259, 171721295]

約数ペア:

[(1, 171721295), (5, 34344259), (139, 1235405), (211, 813845), (695, 247081), (1055, 162769), (1171, 146645), (5855, 29329)]