81181233

素因数分解:

$3^2\times 7^1\times {\mathrm{773}}^1\times {\mathrm{1667}}^1$

素因数の和:2453

約数の個数: 24

約数和(自身を含む): 134267328

約数和(自身を除く): 53086095

約数列:

[1, 3, 7, 9, 21, 63, 773, 1667, 2319, 5001, 5411, 6957, 11669, 15003, 16233, 35007, 48699, 105021, 1288591, 3865773, 9020137, 11597319, 27060411, 81181233]

約数ペア:

[(1, 81181233), (3, 27060411), (7, 11597319), (9, 9020137), (21, 3865773), (63, 1288591), (773, 105021), (1667, 48699), (2319, 35007), (5001, 16233), (5411, 15003), (6957, 11669)]