71806419

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{52147}}^1$

素因数の和:52176

約数の個数: 20

約数和(自身を含む): 113578344

約数和(自身を除く): 41771925

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 52147, 156441, 469323, 886499, 1407969, 2659497, 4223907, 7978491, 23935473, 71806419]

約数ペア:

[(1, 71806419), (3, 23935473), (9, 7978491), (17, 4223907), (27, 2659497), (51, 1407969), (81, 886499), (153, 469323), (459, 156441), (1377, 52147)]