17813763

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19993}}^1$

素因数の和:20016

約数の個数: 20

約数和(自身を含む): 29031288

約数和(自身を除く): 11217525

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 19993, 59979, 179937, 219923, 539811, 659769, 1619433, 1979307, 5937921, 17813763]

約数ペア:

[(1, 17813763), (3, 5937921), (9, 1979307), (11, 1619433), (27, 659769), (33, 539811), (81, 219923), (99, 179937), (297, 59979), (891, 19993)]