1888431321

素因数分解:

$3^1\times 7^1\times {\mathrm{2551}}^1\times {\mathrm{35251}}^1$

素因数の和:37812

約数の個数: 16

約数和(自身を含む): 2878819328

約数和(自身を除く): 990388007

約数列:

[1, 3, 7, 21, 2551, 7653, 17857, 35251, 53571, 105753, 246757, 740271, 89925301, 269775903, 629477107, 1888431321]

約数ペア:

[(1, 1888431321), (3, 629477107), (7, 269775903), (21, 89925301), (2551, 740271), (7653, 246757), (17857, 105753), (35251, 53571)]