66820467

素因数分解:

$3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{1811}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 104110272

約数和(自身を除く): 37289805

約数列:

[1, 3, 7, 21, 49, 147, 251, 753, 1757, 1811, 5271, 5433, 12299, 12677, 36897, 38031, 88739, 266217, 454561, 1363683, 3181927, 9545781, 22273489, 66820467]

約数ペア:

[(1, 66820467), (3, 22273489), (7, 9545781), (21, 3181927), (49, 1363683), (147, 454561), (251, 266217), (753, 88739), (1757, 38031), (1811, 36897), (5271, 12677), (5433, 12299)]