209202291

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{249943}}^1$

素因数の和:249983

約数の個数: 16

約数和(自身を含む): 319928320

約数和(自身を除く): 110726029

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 249943, 749829, 2249487, 6748461, 7748233, 23244699, 69734097, 209202291]

約数ペア:

[(1, 209202291), (3, 69734097), (9, 23244699), (27, 7748233), (31, 6748461), (93, 2249487), (279, 749829), (837, 249943)]