388582887

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5113}}^1$

素因数の和:5188

約数の個数: 48

約数和(自身を含む): 671611392

約数和(自身を除く): 283028505

約数列:

[1, 3, 7, 11, 21, 33, 47, 49, 77, 141, 147, 231, 329, 517, 539, 987, 1551, 1617, 2303, 3619, 5113, 6909, 10857, 15339, 25333, 35791, 56243, 75999, 107373, 168729, 240311, 250537, 393701, 720933, 751611, 1181103, 1682177, 2643421, 2755907, 5046531, 7930263, 8267721, 11775239, 18503947, 35325717, 55511841, 129527629, 388582887]

約数ペア:

[(1, 388582887), (3, 129527629), (7, 55511841), (11, 35325717), (21, 18503947), (33, 11775239), (47, 8267721), (49, 7930263), (77, 5046531), (141, 2755907), (147, 2643421), (231, 1682177), (329, 1181103), (517, 751611), (539, 720933), (987, 393701), (1551, 250537), (1617, 240311), (2303, 168729), (3619, 107373), (5113, 75999), (6909, 56243), (10857, 35791), (15339, 25333)]