251011449

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{29389}}^1$

素因数の和:29481

約数の個数: 24

約数和(自身を含む): 395824520

約数和(自身を除く): 144813071

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2847, 8541, 29389, 88167, 264501, 382057, 1146171, 2145397, 3438513, 6436191, 19308573, 27890161, 83670483, 251011449]

約数ペア:

[(1, 251011449), (3, 83670483), (9, 27890161), (13, 19308573), (39, 6436191), (73, 3438513), (117, 2145397), (219, 1146171), (657, 382057), (949, 264501), (2847, 88167), (8541, 29389)]