39491391

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 58848768

約数和(自身を除く): 19357377

約数列:

[1, 3, 17, 23, 51, 69, 131, 257, 391, 393, 771, 1173, 2227, 3013, 4369, 5911, 6681, 9039, 13107, 17733, 33667, 51221, 100487, 101001, 153663, 301461, 572339, 774341, 1717017, 2323023, 13163797, 39491391]

約数ペア:

[(1, 39491391), (3, 13163797), (17, 2323023), (23, 1717017), (51, 774341), (69, 572339), (131, 301461), (257, 153663), (391, 101001), (393, 100487), (771, 51221), (1173, 33667), (2227, 17733), (3013, 13107), (4369, 9039), (5911, 6681)]