42947457

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2039}}^1$

素因数の和:2125

約数の個数: 32

約数和(自身を含む): 70502400

約数和(自身を除く): 27554943

約数列:

[1, 3, 7, 17, 21, 51, 59, 119, 177, 357, 413, 1003, 1239, 2039, 3009, 6117, 7021, 14273, 21063, 34663, 42819, 103989, 120301, 242641, 360903, 727923, 842107, 2045117, 2526321, 6135351, 14315819, 42947457]

約数ペア:

[(1, 42947457), (3, 14315819), (7, 6135351), (17, 2526321), (21, 2045117), (51, 842107), (59, 727923), (119, 360903), (177, 242641), (357, 120301), (413, 103989), (1003, 42819), (1239, 34663), (2039, 21063), (3009, 14273), (6117, 7021)]