121707621

素因数分解:

$3^2\times 7^2\times {\mathrm{275981}}^1$

素因数の和:276001

約数の個数: 18

約数和(自身を含む): 204502662

約数和(自身を除く): 82795041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 275981, 827943, 1931867, 2483829, 5795601, 13523069, 17386803, 40569207, 121707621]

約数ペア:

[(1, 121707621), (3, 40569207), (7, 17386803), (9, 13523069), (21, 5795601), (49, 2483829), (63, 1931867), (147, 827943), (441, 275981)]