78391863

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{21401}}^1$

素因数の和:21455

約数の個数: 24

約数和(自身を含む): 126871056

約数和(自身を除く): 48479193

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 21401, 64203, 192609, 235411, 706233, 791837, 2118699, 2375511, 7126533, 8710207, 26130621, 78391863]

約数ペア:

[(1, 78391863), (3, 26130621), (9, 8710207), (11, 7126533), (33, 2375511), (37, 2118699), (99, 791837), (111, 706233), (333, 235411), (407, 192609), (1221, 64203), (3663, 21401)]