257121.0000000

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 7311200

約数和(自身を除く): 2580143

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 379, 657, 1137, 1387, 3411, 4161, 7201, 12483, 21603, 27667, 64809, 83001, 249003, 525673, 1577019, 4731057]

約数ペア:

[(1, 4731057), (3, 1577019), (9, 525673), (19, 249003), (57, 83001), (73, 64809), (171, 27667), (219, 21603), (379, 12483), (657, 7201), (1137, 4161), (1387, 3411)]