206568369

素因数分解:

$3^2\times 7^2\times {\mathrm{383}}^1\times {\mathrm{1223}}^1$

素因数の和:1626

約数の個数: 36

約数和(自身を含む): 348281856

約数和(自身を除く): 141713487

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 383, 441, 1149, 1223, 2681, 3447, 3669, 8043, 8561, 11007, 18767, 24129, 25683, 56301, 59927, 77049, 168903, 179781, 468409, 539343, 1405227, 3278863, 4215681, 9836589, 22952041, 29509767, 68856123, 206568369]

約数ペア:

[(1, 206568369), (3, 68856123), (7, 29509767), (9, 22952041), (21, 9836589), (49, 4215681), (63, 3278863), (147, 1405227), (383, 539343), (441, 468409), (1149, 179781), (1223, 168903), (2681, 77049), (3447, 59927), (3669, 56301), (8043, 25683), (8561, 24129), (11007, 18767)]