201891711

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{80789}}^1$

素因数の和:80823

約数の個数: 24

約数和(自身を含む): 331562160

約数和(自身を除く): 129670449

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 80789, 242367, 565523, 1373413, 1696569, 3958661, 4120239, 9613891, 11875983, 28841673, 67297237, 201891711]

約数ペア:

[(1, 201891711), (3, 67297237), (7, 28841673), (17, 11875983), (21, 9613891), (49, 4120239), (51, 3958661), (119, 1696569), (147, 1373413), (357, 565523), (833, 242367), (2499, 80789)]