86971155

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{134839}}^1$

素因数の和:134890

約数の個数: 16

約数和(自身を含む): 142391040

約数和(自身を除く): 55419885

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 134839, 404517, 674195, 2022585, 5798077, 17394231, 28990385, 86971155]

約数ペア:

[(1, 86971155), (3, 28990385), (5, 17394231), (15, 5798077), (43, 2022585), (129, 674195), (215, 404517), (645, 134839)]