720282003

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{15527}}^1$

素因数の和:15631

約数の個数: 24

約数和(自身を含む): 1121494272

約数和(自身を除く): 401212269

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 2209, 6627, 15463, 15527, 46389, 46581, 108689, 326067, 729769, 2189307, 5108383, 15325149, 34299143, 102897429, 240094001, 720282003]

約数ペア:

[(1, 720282003), (3, 240094001), (7, 102897429), (21, 34299143), (47, 15325149), (141, 5108383), (329, 2189307), (987, 729769), (2209, 326067), (6627, 108689), (15463, 46581), (15527, 46389)]