3971781

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 6589440

約数和(自身を除く): 2617659

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 129, 297, 311, 387, 473, 933, 1161, 1419, 2799, 3421, 4257, 8397, 10263, 12771, 13373, 30789, 40119, 92367, 120357, 147103, 361071, 441309, 1323927, 3971781]

約数ペア:

[(1, 3971781), (3, 1323927), (9, 441309), (11, 361071), (27, 147103), (33, 120357), (43, 92367), (99, 40119), (129, 30789), (297, 13373), (311, 12771), (387, 10263), (473, 8397), (933, 4257), (1161, 3421), (1419, 2799)]