28760655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 59010048

約数和(自身を除く): 30249393

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 37, 55, 77, 105, 111, 165, 185, 231, 259, 385, 407, 555, 673, 777, 1155, 1221, 1295, 2019, 2035, 2849, 3365, 3885, 4711, 6105, 7403, 8547, 10095, 14133, 14245, 22209, 23555, 24901, 37015, 42735, 51821, 70665, 74703, 111045, 124505, 155463, 174307, 259105, 273911, 373515, 522921, 777315, 821733, 871535, 1369555, 1917377, 2614605, 4108665, 5752131, 9586885, 28760655]

約数ペア:

[(1, 28760655), (3, 9586885), (5, 5752131), (7, 4108665), (11, 2614605), (15, 1917377), (21, 1369555), (33, 871535), (35, 821733), (37, 777315), (55, 522921), (77, 373515), (105, 273911), (111, 259105), (165, 174307), (185, 155463), (231, 124505), (259, 111045), (385, 74703), (407, 70665), (555, 51821), (673, 42735), (777, 37015), (1155, 24901), (1221, 23555), (1295, 22209), (2019, 14245), (2035, 14133), (2849, 10095), (3365, 8547), (3885, 7403), (4711, 6105)]