81254621

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{8369}}^1$

素因数の和:8468

約数の個数: 16

約数和(自身を含む): 99100800

約数和(自身を除く): 17846179

約数列:

[1, 7, 19, 73, 133, 511, 1387, 8369, 9709, 58583, 159011, 610937, 1113077, 4276559, 11607803, 81254621]

約数ペア:

[(1, 81254621), (7, 11607803), (19, 4276559), (73, 1113077), (133, 610937), (511, 159011), (1387, 58583), (8369, 9709)]