2937501

素因数分解:

$3^2\times 7^2\times {\mathrm{6661}}^1$

素因数の和:6681

約数の個数: 18

約数和(自身を含む): 4936542

約数和(自身を除く): 1999041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6661, 19983, 46627, 59949, 139881, 326389, 419643, 979167, 2937501]

約数ペア:

[(1, 2937501), (3, 979167), (7, 419643), (9, 326389), (21, 139881), (49, 59949), (63, 46627), (147, 19983), (441, 6661)]