11721789

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3331}}^1$

素因数の和:3377

約数の個数: 24

約数和(自身を含む): 18712512

約数和(自身を除く): 6990723

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3331, 3519, 9993, 29979, 56627, 76613, 169881, 229839, 509643, 689517, 1302421, 3907263, 11721789]

約数ペア:

[(1, 11721789), (3, 3907263), (9, 1302421), (17, 689517), (23, 509643), (51, 229839), (69, 169881), (153, 76613), (207, 56627), (391, 29979), (1173, 9993), (3331, 3519)]