256906935

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{121469}}^1$

素因数の和:121527

約数の個数: 24

約数和(自身を含む): 454783680

約数和(自身を除く): 197876745

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 121469, 364407, 607345, 1093221, 1822035, 5466105, 5709043, 17127129, 28545215, 51381387, 85635645, 256906935]

約数ペア:

[(1, 256906935), (3, 85635645), (5, 51381387), (9, 28545215), (15, 17127129), (45, 5709043), (47, 5466105), (141, 1822035), (235, 1093221), (423, 607345), (705, 364407), (2115, 121469)]