2143791

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 3393936

約数和(自身を除く): 1250145

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 251, 657, 753, 949, 2259, 2847, 3263, 8541, 9789, 18323, 29367, 54969, 164907, 238199, 714597, 2143791]

約数ペア:

[(1, 2143791), (3, 714597), (9, 238199), (13, 164907), (39, 54969), (73, 29367), (117, 18323), (219, 9789), (251, 8541), (657, 3263), (753, 2847), (949, 2259)]