81551805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{319811}}^1$

素因数の和:319836

約数の個数: 16

約数和(自身を含む): 138158784

約数和(自身を除く): 56606979

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 319811, 959433, 1599055, 4797165, 5436787, 16310361, 27183935, 81551805]

約数ペア:

[(1, 81551805), (3, 27183935), (5, 16310361), (15, 5436787), (17, 4797165), (51, 1599055), (85, 959433), (255, 319811)]