81009255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{284243}}^1$

素因数の和:284270

約数の個数: 16

約数和(自身を含む): 136437120

約数和(自身を除く): 55427865

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 284243, 852729, 1421215, 4263645, 5400617, 16201851, 27003085, 81009255]

約数ペア:

[(1, 81009255), (3, 27003085), (5, 16201851), (15, 5400617), (19, 4263645), (57, 1421215), (95, 852729), (285, 284243)]