81517888971

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{52968089}}^1$

素因数の和:52968120

約数の個数: 20

約数和(自身を含む): 128182777800

約数和(自身を除く): 46664888829

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 52968089, 158904267, 476712801, 1006393691, 1430138403, 3019181073, 4290415209, 9057543219, 27172629657, 81517888971]

約数ペア:

[(1, 81517888971), (3, 27172629657), (9, 9057543219), (19, 4290415209), (27, 3019181073), (57, 1430138403), (81, 1006393691), (171, 476712801), (513, 158904267), (1539, 52968089)]