2821185885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{367}}^1\times {\mathrm{409}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 5214412800

約数和(自身を除く): 2393226915

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 179, 367, 409, 537, 895, 1101, 1227, 1253, 1835, 2045, 2569, 2685, 2863, 3759, 5505, 6135, 6265, 7707, 8589, 12845, 14315, 18795, 38535, 42945, 65693, 73211, 150103, 197079, 219633, 328465, 366055, 450309, 459851, 512477, 750515, 985395, 1050721, 1098165, 1379553, 1537431, 2251545, 2299255, 2562385, 3152163, 5253605, 6897765, 7687155, 15760815, 26868437, 80605311, 134342185, 188079059, 403026555, 564237177, 940395295, 2821185885]

約数ペア:

[(1, 2821185885), (3, 940395295), (5, 564237177), (7, 403026555), (15, 188079059), (21, 134342185), (35, 80605311), (105, 26868437), (179, 15760815), (367, 7687155), (409, 6897765), (537, 5253605), (895, 3152163), (1101, 2562385), (1227, 2299255), (1253, 2251545), (1835, 1537431), (2045, 1379553), (2569, 1098165), (2685, 1050721), (2863, 985395), (3759, 750515), (5505, 512477), (6135, 459851), (6265, 450309), (7707, 366055), (8589, 328465), (12845, 219633), (14315, 197079), (18795, 150103), (38535, 73211), (42945, 65693)]