28945623

素因数分解:

$3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{883}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 45147648

約数和(自身を除く): 16202025

約数列:

[1, 3, 7, 21, 49, 147, 223, 669, 883, 1561, 2649, 4683, 6181, 10927, 18543, 32781, 43267, 129801, 196909, 590727, 1378363, 4135089, 9648541, 28945623]

約数ペア:

[(1, 28945623), (3, 9648541), (7, 4135089), (21, 1378363), (49, 590727), (147, 196909), (223, 129801), (669, 43267), (883, 32781), (1561, 18543), (2649, 10927), (4683, 6181)]