26681805

素因数分解:

$3^4\times 5^1\times {\mathrm{65881}}^1$

素因数の和:65898

約数の個数: 20

約数和(自身を含む): 47830332

約数和(自身を除く): 21148527

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 65881, 197643, 329405, 592929, 988215, 1778787, 2964645, 5336361, 8893935, 26681805]

約数ペア:

[(1, 26681805), (3, 8893935), (5, 5336361), (9, 2964645), (15, 1778787), (27, 988215), (45, 592929), (81, 329405), (135, 197643), (405, 65881)]