2019942729

素因数分解:

$3^2\times 7^2\times {\mathrm{4580369}}^1$

素因数の和:4580389

約数の個数: 18

約数和(自身を含む): 3394054170

約数和(自身を除く): 1374111441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4580369, 13741107, 32062583, 41223321, 96187749, 224438081, 288563247, 673314243, 2019942729]

約数ペア:

[(1, 2019942729), (3, 673314243), (7, 288563247), (9, 224438081), (21, 96187749), (49, 41223321), (63, 32062583), (147, 13741107), (441, 4580369)]