13995981

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{5381}}^1$

素因数の和:5421

約数の個数: 18

約数和(自身を含む): 21479562

約数和(自身を除く): 7483581

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 5381, 16143, 48429, 91477, 274431, 823293, 1555109, 4665327, 13995981]

約数ペア:

[(1, 13995981), (3, 4665327), (9, 1555109), (17, 823293), (51, 274431), (153, 91477), (289, 48429), (867, 16143), (2601, 5381)]