15406779

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 20908800

約数和(自身を除く): 5502021

約数列:

[1, 3, 131, 197, 199, 393, 591, 597, 25807, 26069, 39203, 77421, 78207, 117609, 5135593, 15406779]

約数ペア:

[(1, 15406779), (3, 5135593), (131, 117609), (197, 78207), (199, 77421), (393, 39203), (591, 26069), (597, 25807)]