42680709

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{68729}}^1$

素因数の和:68761

約数の個数: 16

約数和(自身を含む): 65980800

約数和(自身を除く): 23300091

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 68729, 206187, 618561, 1580767, 1855683, 4742301, 14226903, 42680709]

約数ペア:

[(1, 42680709), (3, 14226903), (9, 4742301), (23, 1855683), (27, 1580767), (69, 618561), (207, 206187), (621, 68729)]