210966821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 243387144

約数和(自身を除く): 32420323

約数列:

[1, 13, 17, 221, 233, 241, 289, 3029, 3133, 3757, 3961, 4097, 51493, 53261, 56153, 67337, 69649, 729989, 875381, 905437, 954601, 12409813, 16228217, 210966821]

約数ペア:

[(1, 210966821), (13, 16228217), (17, 12409813), (221, 954601), (233, 905437), (241, 875381), (289, 729989), (3029, 69649), (3133, 67337), (3757, 56153), (3961, 53261), (4097, 51493)]