81805241

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 105557760

約数和(自身を除く): 23752519

約数列:

[1, 7, 17, 19, 97, 119, 133, 323, 373, 679, 1649, 1843, 2261, 2611, 6341, 7087, 11543, 12901, 31331, 36181, 44387, 49609, 120479, 219317, 253267, 615077, 687439, 843353, 4305539, 4812073, 11686463, 81805241]

約数ペア:

[(1, 81805241), (7, 11686463), (17, 4812073), (19, 4305539), (97, 843353), (119, 687439), (133, 615077), (323, 253267), (373, 219317), (679, 120479), (1649, 49609), (1843, 44387), (2261, 36181), (2611, 31331), (6341, 12901), (7087, 11543)]