81014787

素因数分解:

$3^2\times 7^2\times {\mathrm{183707}}^1$

素因数の和:183727

約数の個数: 18

約数和(自身を含む): 136127628

約数和(自身を除く): 55112841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 183707, 551121, 1285949, 1653363, 3857847, 9001643, 11573541, 27004929, 81014787]

約数ペア:

[(1, 81014787), (3, 27004929), (7, 11573541), (9, 9001643), (21, 3857847), (49, 1653363), (63, 1285949), (147, 551121), (441, 183707)]