20161047

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 27361152

約数和(自身を除く): 7200105

約数列:

[1, 3, 107, 181, 321, 347, 543, 1041, 19367, 37129, 58101, 62807, 111387, 188421, 6720349, 20161047]

約数ペア:

[(1, 20161047), (3, 6720349), (107, 188421), (181, 111387), (321, 62807), (347, 58101), (543, 37129), (1041, 19367)]