899745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:86

約数の個数: 64

約数和(自身を含む): 1935360

約数和(自身を除く): 1035615

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 41, 55, 57, 77, 95, 105, 123, 133, 165, 205, 209, 231, 285, 287, 385, 399, 451, 615, 627, 665, 779, 861, 1045, 1155, 1353, 1435, 1463, 1995, 2255, 2337, 3135, 3157, 3895, 4305, 4389, 5453, 6765, 7315, 8569, 9471, 11685, 15785, 16359, 21945, 25707, 27265, 42845, 47355, 59983, 81795, 128535, 179949, 299915, 899745]

約数ペア:

[(1, 899745), (3, 299915), (5, 179949), (7, 128535), (11, 81795), (15, 59983), (19, 47355), (21, 42845), (33, 27265), (35, 25707), (41, 21945), (55, 16359), (57, 15785), (77, 11685), (95, 9471), (105, 8569), (123, 7315), (133, 6765), (165, 5453), (205, 4389), (209, 4305), (231, 3895), (285, 3157), (287, 3135), (385, 2337), (399, 2255), (451, 1995), (615, 1463), (627, 1435), (665, 1353), (779, 1155), (861, 1045)]