31981947

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4787}}^1$

素因数の和:4938

約数の個数: 16

約数和(自身を含む): 45505152

約数和(自身を除く): 13523205

約数列:

[1, 3, 17, 51, 131, 393, 2227, 4787, 6681, 14361, 81379, 244137, 627097, 1881291, 10660649, 31981947]

約数ペア:

[(1, 31981947), (3, 10660649), (17, 1881291), (51, 627097), (131, 244137), (393, 81379), (2227, 14361), (4787, 6681)]