81955629

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{35159}}^1$

素因数の和:35209

約数の個数: 24

約数和(自身を含む): 138952320

約数和(自身を除く): 56996691

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 35159, 105477, 246113, 316431, 738339, 1300883, 2215017, 3902649, 9106181, 11707947, 27318543, 81955629]

約数ペア:

[(1, 81955629), (3, 27318543), (7, 11707947), (9, 9106181), (21, 3902649), (37, 2215017), (63, 1300883), (111, 738339), (259, 316431), (333, 246113), (777, 105477), (2331, 35159)]