81469695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{319489}}^1$

素因数の和:319514

約数の個数: 16

約数和(自身を含む): 138019680

約数和(自身を除く): 56549985

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 319489, 958467, 1597445, 4792335, 5431313, 16293939, 27156565, 81469695]

約数ペア:

[(1, 81469695), (3, 27156565), (5, 16293939), (15, 5431313), (17, 4792335), (51, 1597445), (85, 958467), (255, 319489)]