71845689

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1\times {\mathrm{479}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 102562560

約数和(自身を除く): 30716871

約数列:

[1, 3, 17, 51, 173, 289, 479, 519, 867, 1437, 2941, 8143, 8823, 24429, 49997, 82867, 138431, 149991, 248601, 415293, 1408739, 4226217, 23948563, 71845689]

約数ペア:

[(1, 71845689), (3, 23948563), (17, 4226217), (51, 1408739), (173, 415293), (289, 248601), (479, 149991), (519, 138431), (867, 82867), (1437, 49997), (2941, 24429), (8143, 8823)]