213791985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431903}}^1$

素因数の和:431925

約数の個数: 24

約数和(自身を含む): 404262144

約数和(自身を除く): 190470159

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 431903, 1295709, 2159515, 3887127, 4750933, 6478545, 14252799, 19435635, 23754665, 42758397, 71263995, 213791985]

約数ペア:

[(1, 213791985), (3, 71263995), (5, 42758397), (9, 23754665), (11, 19435635), (15, 14252799), (33, 6478545), (45, 4750933), (55, 3887127), (99, 2159515), (165, 1295709), (495, 431903)]