81049779

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{9371}}^1$

素因数の和:9439

約数の個数: 18

約数和(自身を含む): 120983148

約数和(自身を除く): 39933369

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 8649, 9371, 28113, 84339, 290501, 871503, 2614509, 9005531, 27016593, 81049779]

約数ペア:

[(1, 81049779), (3, 27016593), (9, 9005531), (31, 2614509), (93, 871503), (279, 290501), (961, 84339), (2883, 28113), (8649, 9371)]