15318989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 20113920

約数和(自身を除く): 4794931

約数列:

[1, 7, 17, 23, 29, 119, 161, 193, 203, 391, 493, 667, 1351, 2737, 3281, 3451, 4439, 4669, 5597, 11339, 22967, 31073, 39179, 75463, 79373, 95149, 128731, 528241, 666043, 901117, 2188427, 15318989]

約数ペア:

[(1, 15318989), (7, 2188427), (17, 901117), (23, 666043), (29, 528241), (119, 128731), (161, 95149), (193, 79373), (203, 75463), (391, 39179), (493, 31073), (667, 22967), (1351, 11339), (2737, 5597), (3281, 4669), (3451, 4439)]