201081321

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{187751}}^1$

素因数の和:187781

約数の個数: 24

約数和(自身を含む): 351471744

約数和(自身を除く): 150390423

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 187751, 563253, 1314257, 1689759, 3191767, 3942771, 9575301, 11828313, 22342369, 28725903, 67027107, 201081321]

約数ペア:

[(1, 201081321), (3, 67027107), (7, 28725903), (9, 22342369), (17, 11828313), (21, 9575301), (51, 3942771), (63, 3191767), (119, 1689759), (153, 1314257), (357, 563253), (1071, 187751)]