221247215

素因数分解:

$5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{29959}}^1$

素因数の和:30182

約数の個数: 16

約数和(自身を含む): 304872960

約数和(自身を除く): 83625745

約数列:

[1, 5, 7, 35, 211, 1055, 1477, 7385, 29959, 149795, 209713, 1048565, 6321349, 31606745, 44249443, 221247215]

約数ペア:

[(1, 221247215), (5, 44249443), (7, 31606745), (35, 6321349), (211, 1048565), (1055, 209713), (1477, 149795), (7385, 29959)]