1284271755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1579}}^1$

素因数の和:1740

約数の個数: 64

約数和(自身を含む): 2289154560

約数和(自身を除く): 1004882805

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 97, 129, 195, 215, 291, 485, 559, 645, 1261, 1455, 1579, 1677, 2795, 3783, 4171, 4737, 6305, 7895, 8385, 12513, 18915, 20527, 20855, 23685, 54223, 61581, 62565, 67897, 102635, 153163, 162669, 203691, 271115, 307905, 339485, 459489, 765815, 813345, 882661, 1018455, 1991119, 2297445, 2647983, 4413305, 5973357, 6586009, 9955595, 13239915, 19758027, 29866785, 32930045, 85618117, 98790135, 256854351, 428090585, 1284271755]

約数ペア:

[(1, 1284271755), (3, 428090585), (5, 256854351), (13, 98790135), (15, 85618117), (39, 32930045), (43, 29866785), (65, 19758027), (97, 13239915), (129, 9955595), (195, 6586009), (215, 5973357), (291, 4413305), (485, 2647983), (559, 2297445), (645, 1991119), (1261, 1018455), (1455, 882661), (1579, 813345), (1677, 765815), (2795, 459489), (3783, 339485), (4171, 307905), (4737, 271115), (6305, 203691), (7895, 162669), (8385, 153163), (12513, 102635), (18915, 67897), (20527, 62565), (20855, 61581), (23685, 54223)]