25605405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2803}}^1$

素因数の和:2850

約数の個数: 48

約数和(自身を含む): 52490880

約数和(自身を除く): 26885475

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1827, 2803, 3045, 8409, 9135, 14015, 19621, 25227, 42045, 58863, 81287, 98105, 126135, 176589, 243861, 294315, 406435, 569009, 731583, 882945, 1219305, 1707027, 2845045, 3657915, 5121081, 8535135, 25605405]

約数ペア:

[(1, 25605405), (3, 8535135), (5, 5121081), (7, 3657915), (9, 2845045), (15, 1707027), (21, 1219305), (29, 882945), (35, 731583), (45, 569009), (63, 406435), (87, 294315), (105, 243861), (145, 176589), (203, 126135), (261, 98105), (315, 81287), (435, 58863), (609, 42045), (1015, 25227), (1305, 19621), (1827, 14015), (2803, 9135), (3045, 8409)]