81189009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{28279}}^1$

素因数の和:28325

約数の個数: 24

約数和(自身を含む): 132350400

約数和(自身を除く): 51161391

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 28279, 84837, 254511, 311069, 820091, 933207, 2460273, 2799621, 7380819, 9021001, 27063003, 81189009]

約数ペア:

[(1, 81189009), (3, 27063003), (9, 9021001), (11, 7380819), (29, 2799621), (33, 2460273), (87, 933207), (99, 820091), (261, 311069), (319, 254511), (957, 84837), (2871, 28279)]