2821005

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 5503680

約数和(自身を除く): 2682675

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 123, 139, 165, 205, 369, 417, 451, 495, 615, 695, 1251, 1353, 1529, 1845, 2085, 2255, 4059, 4587, 5699, 6255, 6765, 7645, 13761, 17097, 20295, 22935, 28495, 51291, 62689, 68805, 85485, 188067, 256455, 313445, 564201, 940335, 2821005]

約数ペア:

[(1, 2821005), (3, 940335), (5, 564201), (9, 313445), (11, 256455), (15, 188067), (33, 85485), (41, 68805), (45, 62689), (55, 51291), (99, 28495), (123, 22935), (139, 20295), (165, 17097), (205, 13761), (369, 7645), (417, 6765), (451, 6255), (495, 5699), (615, 4587), (695, 4059), (1251, 2255), (1353, 2085), (1529, 1845)]