164760399

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{28649}}^1$

素因数の和:28732

約数の個数: 20

約数和(自身を含む): 249598800

約数和(自身を除く): 84838401

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 28649, 85947, 257841, 773523, 2034079, 2320569, 6102237, 18306711, 54920133, 164760399]

約数ペア:

[(1, 164760399), (3, 54920133), (9, 18306711), (27, 6102237), (71, 2320569), (81, 2034079), (213, 773523), (639, 257841), (1917, 85947), (5751, 28649)]