2702889

素因数分解:

$3^5\times 7^2\times {\mathrm{227}}^1$

素因数の和:256

約数の個数: 36

約数和(自身を含む): 4730544

約数和(自身を除く): 2027655

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 227, 243, 441, 567, 681, 1323, 1589, 1701, 2043, 3969, 4767, 6129, 11123, 11907, 14301, 18387, 33369, 42903, 55161, 100107, 128709, 300321, 386127, 900963, 2702889]

約数ペア:

[(1, 2702889), (3, 900963), (7, 386127), (9, 300321), (21, 128709), (27, 100107), (49, 55161), (63, 42903), (81, 33369), (147, 18387), (189, 14301), (227, 11907), (243, 11123), (441, 6129), (567, 4767), (681, 3969), (1323, 2043), (1589, 1701)]