12881121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22961}}^1$

素因数の和:22992

約数の個数: 16

約数和(自身を含む): 19839168

約数和(自身を除く): 6958047

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 22961, 68883, 252571, 390337, 757713, 1171011, 4293707, 12881121]

約数ペア:

[(1, 12881121), (3, 4293707), (11, 1171011), (17, 757713), (33, 390337), (51, 252571), (187, 68883), (561, 22961)]