13139721

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5087}}^1$

素因数の和:5141

約数の個数: 24

約数和(自身を含む): 22224384

約数和(自身を除く): 9084663

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 5087, 15261, 35609, 45783, 106827, 208567, 320481, 625701, 1459969, 1877103, 4379907, 13139721]

約数ペア:

[(1, 13139721), (3, 4379907), (7, 1877103), (9, 1459969), (21, 625701), (41, 320481), (63, 208567), (123, 106827), (287, 45783), (369, 35609), (861, 15261), (2583, 5087)]