81202105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{3833}}^1$

素因数の和:4080

約数の個数: 16

約数和(自身を含む): 103057920

約数和(自身を除く): 21855815

約数列:

[1, 5, 19, 95, 223, 1115, 3833, 4237, 19165, 21185, 72827, 364135, 854759, 4273795, 16240421, 81202105]

約数ペア:

[(1, 81202105), (5, 16240421), (19, 4273795), (95, 854759), (223, 364135), (1115, 72827), (3833, 21185), (4237, 19165)]