16706907

素因数分解:

$3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{521}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 27686880

約数和(自身を除く): 10979973

約数列:

[1, 3, 7, 9, 21, 63, 509, 521, 1527, 1563, 3563, 3647, 4581, 4689, 10689, 10941, 32067, 32823, 265189, 795567, 1856323, 2386701, 5568969, 16706907]

約数ペア:

[(1, 16706907), (3, 5568969), (7, 2386701), (9, 1856323), (21, 795567), (63, 265189), (509, 32823), (521, 32067), (1527, 10941), (1563, 10689), (3563, 4689), (3647, 4581)]