1813995

素因数分解:

$3^5\times 5^1\times {\mathrm{1493}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 3262896

約数和(自身を除く): 1448901

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1493, 4479, 7465, 13437, 22395, 40311, 67185, 120933, 201555, 362799, 604665, 1813995]

約数ペア:

[(1, 1813995), (3, 604665), (5, 362799), (9, 201555), (15, 120933), (27, 67185), (45, 40311), (81, 22395), (135, 13437), (243, 7465), (405, 4479), (1215, 1493)]