11721513

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{661}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 16396416

約数和(自身を除く): 4674903

約数列:

[1, 3, 23, 69, 257, 661, 771, 1983, 5911, 15203, 17733, 45609, 169877, 509631, 3907171, 11721513]

約数ペア:

[(1, 11721513), (3, 3907171), (23, 509631), (69, 169877), (257, 45609), (661, 17733), (771, 15203), (1983, 5911)]