27863785

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 36210240

約数和(自身を除く): 8346455

約数列:

[1, 5, 19, 43, 95, 215, 359, 361, 817, 1795, 1805, 4085, 6821, 15437, 15523, 34105, 77185, 77615, 129599, 293303, 647995, 1466515, 5572757, 27863785]

約数ペア:

[(1, 27863785), (5, 5572757), (19, 1466515), (43, 647995), (95, 293303), (215, 129599), (359, 77615), (361, 77185), (817, 34105), (1795, 15523), (1805, 15437), (4085, 6821)]