29726781

素因数分解:

$3^1\times 7^4\times {\mathrm{4127}}^1$

素因数の和:4158

約数の個数: 20

約数和(自身を含む): 46250112

約数和(自身を除く): 16523331

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 4127, 7203, 12381, 28889, 86667, 202223, 606669, 1415561, 4246683, 9908927, 29726781]

約数ペア:

[(1, 29726781), (3, 9908927), (7, 4246683), (21, 1415561), (49, 606669), (147, 202223), (343, 86667), (1029, 28889), (2401, 12381), (4127, 7203)]