207986709

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 323298304

約数和(自身を除く): 115311595

約数列:

[1, 3, 7, 21, 73, 211, 219, 511, 633, 643, 1477, 1533, 1929, 4431, 4501, 13503, 15403, 46209, 46939, 107821, 135673, 140817, 323463, 328573, 407019, 949711, 985719, 2849133, 9904129, 29712387, 69328903, 207986709]

約数ペア:

[(1, 207986709), (3, 69328903), (7, 29712387), (21, 9904129), (73, 2849133), (211, 985719), (219, 949711), (511, 407019), (633, 328573), (643, 323463), (1477, 140817), (1533, 135673), (1929, 107821), (4431, 46939), (4501, 46209), (13503, 15403)]