3978889209

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{2135743}}^1$

素因数の和:2135778

約数の個数: 20

約数和(自身を含む): 6202200576

約数和(自身を除く): 2223311367

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 2135743, 6407229, 19221687, 49122089, 57665061, 147366267, 172995183, 442098801, 1326296403, 3978889209]

約数ペア:

[(1, 3978889209), (3, 1326296403), (9, 442098801), (23, 172995183), (27, 147366267), (69, 57665061), (81, 49122089), (207, 19221687), (621, 6407229), (1863, 2135743)]