2221611

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:168

約数の個数: 32

約数和(自身を含む): 3686400

約数和(自身を除く): 1464789

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 127, 147, 343, 357, 381, 833, 889, 1029, 2159, 2499, 2667, 5831, 6223, 6477, 15113, 17493, 18669, 43561, 45339, 105791, 130683, 317373, 740537, 2221611]

約数ペア:

[(1, 2221611), (3, 740537), (7, 317373), (17, 130683), (21, 105791), (49, 45339), (51, 43561), (119, 18669), (127, 17493), (147, 15113), (343, 6477), (357, 6223), (381, 5831), (833, 2667), (889, 2499), (1029, 2159)]