208547787

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{4691}}^1$

素因数の和:4803

約数の個数: 32

約数和(自身を含む): 333319680

約数和(自身を除く): 124771893

約数列:

[1, 3, 7, 21, 29, 73, 87, 203, 219, 511, 609, 1533, 2117, 4691, 6351, 14073, 14819, 32837, 44457, 98511, 136039, 342443, 408117, 952273, 1027329, 2397101, 2856819, 7191303, 9930847, 29792541, 69515929, 208547787]

約数ペア:

[(1, 208547787), (3, 69515929), (7, 29792541), (21, 9930847), (29, 7191303), (73, 2856819), (87, 2397101), (203, 1027329), (219, 952273), (511, 408117), (609, 342443), (1533, 136039), (2117, 98511), (4691, 44457), (6351, 32837), (14073, 14819)]