2784366921

素因数分解:

$3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{260489}}^1$

素因数の和:261008

約数の個数: 16

約数和(自身を含む): 4251196800

約数和(自身を除く): 1466829879

約数列:

[1, 3, 7, 21, 509, 1527, 3563, 10689, 260489, 781467, 1823423, 5470269, 132588901, 397766703, 928122307, 2784366921]

約数ペア:

[(1, 2784366921), (3, 928122307), (7, 397766703), (21, 132588901), (509, 5470269), (1527, 1823423), (3563, 781467), (10689, 260489)]