40001805

素因数分解:

$3^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1009}}^1$

素因数の和:1901

約数の個数: 24

約数和(自身を含む): 69483960

約数和(自身を除く): 29482155

約数列:

[1, 3, 5, 9, 15, 45, 881, 1009, 2643, 3027, 4405, 5045, 7929, 9081, 13215, 15135, 39645, 45405, 888929, 2666787, 4444645, 8000361, 13333935, 40001805]

約数ペア:

[(1, 40001805), (3, 13333935), (5, 8000361), (9, 4444645), (15, 2666787), (45, 888929), (881, 45405), (1009, 39645), (2643, 15135), (3027, 13215), (4405, 9081), (5045, 7929)]