81817155

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{86579}}^1$

素因数の和:86600

約数の個数: 32

約数和(自身を含む): 166233600

約数和(自身を除く): 84416445

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 86579, 259737, 432895, 606053, 779211, 1298685, 1818159, 2337633, 3030265, 3896055, 5454477, 9090795, 11688165, 16363431, 27272385, 81817155]

約数ペア:

[(1, 81817155), (3, 27272385), (5, 16363431), (7, 11688165), (9, 9090795), (15, 5454477), (21, 3896055), (27, 3030265), (35, 2337633), (45, 1818159), (63, 1298685), (105, 779211), (135, 606053), (189, 432895), (315, 259737), (945, 86579)]