81566649

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{22051}}^1$

素因数の和:22197

約数の個数: 16

約数和(自身を含む): 121727040

約数和(自身を除く): 40160391

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 22051, 66153, 198459, 595377, 3020987, 9062961, 27188883, 81566649]

約数ペア:

[(1, 81566649), (3, 27188883), (9, 9062961), (27, 3020987), (137, 595377), (411, 198459), (1233, 66153), (3699, 22051)]