47992947

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1621}}^1$

素因数の和:1834

約数の個数: 16

約数和(自身を含む): 65399040

約数和(自身を除く): 17406093

約数列:

[1, 3, 71, 139, 213, 417, 1621, 4863, 9869, 29607, 115091, 225319, 345273, 675957, 15997649, 47992947]

約数ペア:

[(1, 47992947), (3, 15997649), (71, 675957), (139, 345273), (213, 225319), (417, 115091), (1621, 29607), (4863, 9869)]