1623321

素因数分解:

$3^4\times 7^2\times {\mathrm{409}}^1$

素因数の和:435

約数の個数: 30

約数和(自身を含む): 2827770

約数和(自身を除く): 1204449

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 409, 441, 567, 1227, 1323, 2863, 3681, 3969, 8589, 11043, 20041, 25767, 33129, 60123, 77301, 180369, 231903, 541107, 1623321]

約数ペア:

[(1, 1623321), (3, 541107), (7, 231903), (9, 180369), (21, 77301), (27, 60123), (49, 33129), (63, 25767), (81, 20041), (147, 11043), (189, 8589), (409, 3969), (441, 3681), (567, 2863), (1227, 1323)]