29720019

素因数分解:

$3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{1117}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 46392528

約数和(自身を除く): 16672509

約数列:

[1, 3, 7, 21, 49, 147, 181, 543, 1117, 1267, 3351, 3801, 7819, 8869, 23457, 26607, 54733, 164199, 202177, 606531, 1415239, 4245717, 9906673, 29720019]

約数ペア:

[(1, 29720019), (3, 9906673), (7, 4245717), (21, 1415239), (49, 606531), (147, 202177), (181, 164199), (543, 54733), (1117, 26607), (1267, 23457), (3351, 8869), (3801, 7819)]