27589005

素因数分解:

$3^8\times 5^1\times {\mathrm{29}}^2$

素因数の和:87

約数の個数: 54

約数和(自身を含む): 51429066

約数和(自身を除く): 23840061

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 729, 783, 841, 1215, 1305, 2187, 2349, 2523, 3645, 3915, 4205, 6561, 7047, 7569, 10935, 11745, 12615, 21141, 22707, 32805, 35235, 37845, 63423, 68121, 105705, 113535, 190269, 204363, 317115, 340605, 613089, 951345, 1021815, 1839267, 3065445, 5517801, 9196335, 27589005]

約数ペア:

[(1, 27589005), (3, 9196335), (5, 5517801), (9, 3065445), (15, 1839267), (27, 1021815), (29, 951345), (45, 613089), (81, 340605), (87, 317115), (135, 204363), (145, 190269), (243, 113535), (261, 105705), (405, 68121), (435, 63423), (729, 37845), (783, 35235), (841, 32805), (1215, 22707), (1305, 21141), (2187, 12615), (2349, 11745), (2523, 10935), (3645, 7569), (3915, 7047), (4205, 6561)]