661177041

素因数分解:

$3^1\times 7^2\times {\mathrm{4497803}}^1$

素因数の和:4497820

約数の個数: 12

約数和(自身を含む): 1025499312

約数和(自身を除く): 364322271

約数列:

[1, 3, 7, 21, 49, 147, 4497803, 13493409, 31484621, 94453863, 220392347, 661177041]

約数ペア:

[(1, 661177041), (3, 220392347), (7, 94453863), (21, 31484621), (49, 13493409), (147, 4497803)]