77818239

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{12161}}^1$

素因数の和:12252

約数の個数: 20

約数和(自身を含む): 117728160

約数和(自身を除く): 39909921

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 12161, 36483, 109449, 328347, 960719, 985041, 2882157, 8646471, 25939413, 77818239]

約数ペア:

[(1, 77818239), (3, 25939413), (9, 8646471), (27, 2882157), (79, 985041), (81, 960719), (237, 328347), (711, 109449), (2133, 36483), (6399, 12161)]