20172489

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 29177280

約数和(自身を除く): 9004791

約数列:

[1, 3, 17, 51, 53, 159, 289, 439, 867, 901, 1317, 2703, 7463, 15317, 22389, 23267, 45951, 69801, 126871, 380613, 395539, 1186617, 6724163, 20172489]

約数ペア:

[(1, 20172489), (3, 6724163), (17, 1186617), (51, 395539), (53, 380613), (159, 126871), (289, 69801), (439, 45951), (867, 23267), (901, 22389), (1317, 15317), (2703, 7463)]