128567655

素因数分解:

$3^5\times 5^1\times {\mathrm{105817}}^1$

素因数の和:105837

約数の個数: 24

約数和(自身を含む): 231106512

約数和(自身を除く): 102538857

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 105817, 317451, 529085, 952353, 1587255, 2857059, 4761765, 8571177, 14285295, 25713531, 42855885, 128567655]

約数ペア:

[(1, 128567655), (3, 42855885), (5, 25713531), (9, 14285295), (15, 8571177), (27, 4761765), (45, 2857059), (81, 1587255), (135, 952353), (243, 529085), (405, 317451), (1215, 105817)]