12841815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 25482240

約数和(自身を除く): 12640425

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 41, 57, 95, 105, 123, 133, 157, 205, 285, 287, 399, 471, 615, 665, 779, 785, 861, 1099, 1435, 1995, 2337, 2355, 2983, 3297, 3895, 4305, 5453, 5495, 6437, 8949, 11685, 14915, 16359, 16485, 19311, 20881, 27265, 32185, 44745, 45059, 62643, 81795, 96555, 104405, 122303, 135177, 225295, 313215, 366909, 611515, 675885, 856121, 1834545, 2568363, 4280605, 12841815]

約数ペア:

[(1, 12841815), (3, 4280605), (5, 2568363), (7, 1834545), (15, 856121), (19, 675885), (21, 611515), (35, 366909), (41, 313215), (57, 225295), (95, 135177), (105, 122303), (123, 104405), (133, 96555), (157, 81795), (205, 62643), (285, 45059), (287, 44745), (399, 32185), (471, 27265), (615, 20881), (665, 19311), (779, 16485), (785, 16359), (861, 14915), (1099, 11685), (1435, 8949), (1995, 6437), (2337, 5495), (2355, 5453), (2983, 4305), (3297, 3895)]