72864729

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{31259}}^1$

素因数の和:31309

約数の個数: 24

約数和(自身を含む): 123539520

約数和(自身を除く): 50674791

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 31259, 93777, 218813, 281331, 656439, 1156583, 1969317, 3469749, 8096081, 10409247, 24288243, 72864729]

約数ペア:

[(1, 72864729), (3, 24288243), (7, 10409247), (9, 8096081), (21, 3469749), (37, 1969317), (63, 1156583), (111, 656439), (259, 281331), (333, 218813), (777, 93777), (2331, 31259)]