261550149

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{18397}}^1$

素因数の和:19084

約数の個数: 16

約数和(自身を含む): 399163008

約数和(自身を除く): 137612859

約数列:

[1, 3, 7, 21, 677, 2031, 4739, 14217, 18397, 55191, 128779, 386337, 12454769, 37364307, 87183383, 261550149]

約数ペア:

[(1, 261550149), (3, 87183383), (7, 37364307), (21, 12454769), (677, 386337), (2031, 128779), (4739, 55191), (14217, 18397)]