17420913

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{1039}}^1$

素因数の和:1080

約数の個数: 28

約数和(自身を含む): 27281280

約数和(自身を除く): 9860367

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 729, 1039, 1863, 3117, 5589, 9351, 16767, 23897, 28053, 71691, 84159, 215073, 252477, 645219, 757431, 1935657, 5806971, 17420913]

約数ペア:

[(1, 17420913), (3, 5806971), (9, 1935657), (23, 757431), (27, 645219), (69, 252477), (81, 215073), (207, 84159), (243, 71691), (621, 28053), (729, 23897), (1039, 16767), (1863, 9351), (3117, 5589)]