81661356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{324053}}^1$

素因数の和:324070

約数の個数: 36

約数和(自身を含む): 235911312

約数和(自身を除く): 154249956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 324053, 648106, 972159, 1296212, 1944318, 2268371, 2916477, 3888636, 4536742, 5832954, 6805113, 9073484, 11665908, 13610226, 20415339, 27220452, 40830678, 81661356]

約数ペア:

[(1, 81661356), (2, 40830678), (3, 27220452), (4, 20415339), (6, 13610226), (7, 11665908), (9, 9073484), (12, 6805113), (14, 5832954), (18, 4536742), (21, 3888636), (28, 2916477), (36, 2268371), (42, 1944318), (63, 1296212), (84, 972159), (126, 648106), (252, 324053)]