81556083

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{3911}}^1$

素因数の和:4255

約数の個数: 24

約数和(自身を含む): 135073536

約数和(自身を除く): 53517453

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 3911, 6951, 11733, 20853, 27377, 35199, 82131, 246393, 1294541, 3883623, 9061787, 11650869, 27185361, 81556083]

約数ペア:

[(1, 81556083), (3, 27185361), (7, 11650869), (9, 9061787), (21, 3883623), (63, 1294541), (331, 246393), (993, 82131), (2317, 35199), (2979, 27377), (3911, 20853), (6951, 11733)]