981309

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 1516032

約数和(自身を除く): 534723

約数列:

[1, 3, 7, 21, 83, 249, 563, 581, 1689, 1743, 3941, 11823, 46729, 140187, 327103, 981309]

約数ペア:

[(1, 981309), (3, 327103), (7, 140187), (21, 46729), (83, 11823), (249, 3941), (563, 1743), (581, 1689)]