217439999

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6653}}^1$

素因数の和:6719

約数の個数: 24

約数和(自身を含む): 273080160

約数和(自身を除く): 55640161

約数列:

[1, 7, 23, 29, 49, 161, 203, 667, 1127, 1421, 4669, 6653, 32683, 46571, 153019, 192937, 325997, 1071133, 1350559, 4437551, 7497931, 9453913, 31062857, 217439999]

約数ペア:

[(1, 217439999), (7, 31062857), (23, 9453913), (29, 7497931), (49, 4437551), (161, 1350559), (203, 1071133), (667, 325997), (1127, 192937), (1421, 153019), (4669, 46571), (6653, 32683)]