1215693885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{681061}}^1$

素因数の和:681093

約数の個数: 32

約数和(自身を含む): 2353750272

約数和(自身を除く): 1138056387

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 681061, 2043183, 3405305, 4767427, 10215915, 11578037, 14302281, 23837135, 34734111, 57890185, 71511405, 81046259, 173670555, 243138777, 405231295, 1215693885]

約数ペア:

[(1, 1215693885), (3, 405231295), (5, 243138777), (7, 173670555), (15, 81046259), (17, 71511405), (21, 57890185), (35, 34734111), (51, 23837135), (85, 14302281), (105, 11578037), (119, 10215915), (255, 4767427), (357, 3405305), (595, 2043183), (1785, 681061)]