20072931291

素因数分解:

$3^2\times 7^2\times {\mathrm{45516851}}^1$

素因数の和:45516871

約数の個数: 18

約数和(自身を含む): 33727987332

約数和(自身を除く): 13655056041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45516851, 136550553, 318617957, 409651659, 955853871, 2230325699, 2867561613, 6690977097, 20072931291]

約数ペア:

[(1, 20072931291), (3, 6690977097), (7, 2867561613), (9, 2230325699), (21, 955853871), (49, 409651659), (63, 318617957), (147, 136550553), (441, 45516851)]