156721673139

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{17111221}}^1$

素因数の和:17111338

約数の個数: 16

約数和(自身を含む): 216833405184

約数和(自身を除く): 60111732045

約数列:

[1, 3, 43, 71, 129, 213, 3053, 9159, 17111221, 51333663, 735782503, 1214896691, 2207347509, 3644690073, 52240557713, 156721673139]

約数ペア:

[(1, 156721673139), (3, 52240557713), (43, 3644690073), (71, 2207347509), (129, 1214896691), (213, 735782503), (3053, 51333663), (9159, 17111221)]