211060221

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{3457}}^1$

素因数の和:3940

約数の個数: 16

約数和(自身を含む): 288148224

約数和(自身を除く): 77088003

約数列:

[1, 3, 47, 141, 433, 1299, 3457, 10371, 20351, 61053, 162479, 487437, 1496881, 4490643, 70353407, 211060221]

約数ペア:

[(1, 211060221), (3, 70353407), (47, 4490643), (141, 1496881), (433, 487437), (1299, 162479), (3457, 61053), (10371, 20351)]