28284243

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 44202816

約数和(自身を除く): 15918573

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1153, 1443, 1887, 3459, 8177, 14989, 19601, 24531, 42661, 44967, 58803, 127983, 254813, 554593, 725237, 764439, 1663779, 2175711, 9428081, 28284243]

約数ペア:

[(1, 28284243), (3, 9428081), (13, 2175711), (17, 1663779), (37, 764439), (39, 725237), (51, 554593), (111, 254813), (221, 127983), (481, 58803), (629, 44967), (663, 42661), (1153, 24531), (1443, 19601), (1887, 14989), (3459, 8177)]