72809037

素因数分解:

$3^4\times 7^1\times {\mathrm{128411}}^1$

素因数の和:128430

約数の個数: 20

約数和(自身を含む): 124302816

約数和(自身を除く): 51493779

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 128411, 385233, 898877, 1155699, 2696631, 3467097, 8089893, 10401291, 24269679, 72809037]

約数ペア:

[(1, 72809037), (3, 24269679), (7, 10401291), (9, 8089893), (21, 3467097), (27, 2696631), (63, 1155699), (81, 898877), (189, 385233), (567, 128411)]