27811431

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{2621}}^1$

素因数の和:2764

約数の個数: 20

約数和(自身を含む): 41878584

約数和(自身を除く): 14067153

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 2621, 3537, 7863, 10611, 23589, 70767, 212301, 343351, 1030053, 3090159, 9270477, 27811431]

約数ペア:

[(1, 27811431), (3, 9270477), (9, 3090159), (27, 1030053), (81, 343351), (131, 212301), (393, 70767), (1179, 23589), (2621, 10611), (3537, 7863)]