28179393

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 43241472

約数和(自身を除く): 15062079

約数列:

[1, 3, 11, 23, 33, 69, 137, 253, 271, 411, 759, 813, 1507, 2981, 3151, 4521, 6233, 8943, 9453, 18699, 34661, 37127, 68563, 103983, 111381, 205689, 408397, 853921, 1225191, 2561763, 9393131, 28179393]

約数ペア:

[(1, 28179393), (3, 9393131), (11, 2561763), (23, 1225191), (33, 853921), (69, 408397), (137, 205689), (253, 111381), (271, 103983), (411, 68563), (759, 37127), (813, 34661), (1507, 18699), (2981, 9453), (3151, 8943), (4521, 6233)]