388490013

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{65701}}^1$

素因数の和:65786

約数の個数: 20

約数和(自身を含む): 588295708

約数和(自身を除く): 199805695

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 65701, 197103, 591309, 1773927, 4796173, 5321781, 14388519, 43165557, 129496671, 388490013]

約数ペア:

[(1, 388490013), (3, 129496671), (9, 43165557), (27, 14388519), (73, 5321781), (81, 4796173), (219, 1773927), (657, 591309), (1971, 197103), (5913, 65701)]