81564165

素因数分解:

$3^7\times 5^1\times {\mathrm{7459}}^1$

素因数の和:7485

約数の個数: 32

約数和(自身を含む): 146812800

約数和(自身を除く): 65248635

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 3645, 7459, 10935, 22377, 37295, 67131, 111885, 201393, 335655, 604179, 1006965, 1812537, 3020895, 5437611, 9062685, 16312833, 27188055, 81564165]

約数ペア:

[(1, 81564165), (3, 27188055), (5, 16312833), (9, 9062685), (15, 5437611), (27, 3020895), (45, 1812537), (81, 1006965), (135, 604179), (243, 335655), (405, 201393), (729, 111885), (1215, 67131), (2187, 37295), (3645, 22377), (7459, 10935)]