15819951

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 26214400

約数和(自身を除く): 10394449

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1279, 1767, 3837, 4123, 8953, 12369, 24301, 26859, 39649, 72903, 118947, 170107, 277543, 510321, 753331, 832629, 2259993, 5273317, 15819951]

約数ペア:

[(1, 15819951), (3, 5273317), (7, 2259993), (19, 832629), (21, 753331), (31, 510321), (57, 277543), (93, 170107), (133, 118947), (217, 72903), (399, 39649), (589, 26859), (651, 24301), (1279, 12369), (1767, 8953), (3837, 4123)]