87940197

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1723}}^1$

素因数の和:1889

約数の個数: 24

約数和(自身を含む): 130706784

約数和(自身を除く): 42766587

約数列:

[1, 3, 9, 53, 107, 159, 321, 477, 963, 1723, 5169, 5671, 15507, 17013, 51039, 91319, 184361, 273957, 553083, 821871, 1659249, 9771133, 29313399, 87940197]

約数ペア:

[(1, 87940197), (3, 29313399), (9, 9771133), (53, 1659249), (107, 821871), (159, 553083), (321, 273957), (477, 184361), (963, 91319), (1723, 51039), (5169, 17013), (5671, 15507)]