1221540161

素因数分解:

${\mathrm{71}}^2\times {\mathrm{443}}^1\times {\mathrm{547}}^1$

素因数の和:1132

約数の個数: 12

約数和(自身を含む): 1244054256

約数和(自身を除く): 22514095

約数列:

[1, 71, 443, 547, 5041, 31453, 38837, 242321, 2233163, 2757427, 17204791, 1221540161]

約数ペア:

[(1, 1221540161), (71, 17204791), (443, 2757427), (547, 2233163), (5041, 242321), (31453, 38837)]