1251376755

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1259}}^1$

素因数の和:1400

約数の個数: 64

約数和(自身を含む): 2171473920

約数和(自身を除く): 920097165

約数列:

[1, 3, 5, 15, 23, 43, 67, 69, 115, 129, 201, 215, 335, 345, 645, 989, 1005, 1259, 1541, 2881, 2967, 3777, 4623, 4945, 6295, 7705, 8643, 14405, 14835, 18885, 23115, 28957, 43215, 54137, 66263, 84353, 86871, 144785, 162411, 198789, 253059, 270685, 331315, 421765, 434355, 812055, 993945, 1245151, 1265295, 1940119, 3627179, 3735453, 5820357, 6225755, 9700595, 10881537, 18135895, 18677265, 29101785, 54407685, 83425117, 250275351, 417125585, 1251376755]

約数ペア:

[(1, 1251376755), (3, 417125585), (5, 250275351), (15, 83425117), (23, 54407685), (43, 29101785), (67, 18677265), (69, 18135895), (115, 10881537), (129, 9700595), (201, 6225755), (215, 5820357), (335, 3735453), (345, 3627179), (645, 1940119), (989, 1265295), (1005, 1245151), (1259, 993945), (1541, 812055), (2881, 434355), (2967, 421765), (3777, 331315), (4623, 270685), (4945, 253059), (6295, 198789), (7705, 162411), (8643, 144785), (14405, 86871), (14835, 84353), (18885, 66263), (23115, 54137), (28957, 43215)]