2165121357

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1452127}}^1$

素因数の和:1452208

約数の個数: 16

約数和(自身を含む): 3345702912

約数和(自身を除く): 1180581555

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1452127, 4356381, 10164889, 30494667, 103101017, 309303051, 721707119, 2165121357]

約数ペア:

[(1, 2165121357), (3, 721707119), (7, 309303051), (21, 103101017), (71, 30494667), (213, 10164889), (497, 4356381), (1491, 1452127)]